From 024d6f77757824ce0bd9780c105e7d80137e359f Mon Sep 17 00:00:00 2001
From: snn <snn@opencascade.com>
Date: Fri, 10 Feb 2017 15:48:36 +0300
Subject: [PATCH] 0028985: XCAF data structures for generic text annotations
 linked to GD&T annotations and saved views

1. A tool to annotate items in the hierarchical product structure was added. The tool is located under
   fixed label 0:1:9. It operates two basic entities: notes and annotations located under 0:1:9:1 and 0:1:9:2
   hives correspondingly. A note is an attribute derived from base class XCAFDoc_Note that is attached to a separate
   label under the notes hive. An annotated item is represented by XCAFDoc_AssemblyItemRef attribute
   attached to a separate label under the annotated items hive. Notes are linked to annotated items by means of
   XCAFDoc_GraphNode attribute, where notes play parent roles and annotated items - child roles.
2. XCAFDoc_AssemblyItemRef defines a weak reference to a label with optional attribute GUID or sub-shape index.
3. A capability to store note/annotation labels in XCAFDoc_ViewTool was added.
4. XDE User guide was updated
---
 dox/user_guides/xde/images/xde_notes001.png   |  Bin 0 -> 79235 bytes
 dox/user_guides/xde/xde.md                    |  150 ++
 src/BinMXCAFDoc/BinMXCAFDoc.cxx               |   26 +-
 .../BinMXCAFDoc_AssemblyItemRefDriver.cxx     |  111 ++
 .../BinMXCAFDoc_AssemblyItemRefDriver.hxx     |   54 +
 .../BinMXCAFDoc_NoteBalloonDriver.cxx         |   52 +
 .../BinMXCAFDoc_NoteBalloonDriver.hxx         |   42 +
 .../BinMXCAFDoc_NoteBinDataDriver.cxx         |   96 ++
 .../BinMXCAFDoc_NoteBinDataDriver.hxx         |   44 +
 .../BinMXCAFDoc_NoteCommentDriver.cxx         |   91 ++
 .../BinMXCAFDoc_NoteCommentDriver.hxx         |   49 +
 src/BinMXCAFDoc/BinMXCAFDoc_NoteDriver.cxx    |   68 +
 src/BinMXCAFDoc/BinMXCAFDoc_NoteDriver.hxx    |   55 +
 .../BinMXCAFDoc_NotesToolDriver.cxx           |   62 +
 .../BinMXCAFDoc_NotesToolDriver.hxx           |   54 +
 src/BinMXCAFDoc/FILES                         |   12 +
 src/XCAFDoc/FILES                             |   15 +
 src/XCAFDoc/XCAFDoc.cxx                       |   33 +
 src/XCAFDoc/XCAFDoc.hxx                       |    9 +-
 src/XCAFDoc/XCAFDoc_AssemblyItemId.cxx        |  123 ++
 src/XCAFDoc/XCAFDoc_AssemblyItemId.hxx        |  101 ++
 src/XCAFDoc/XCAFDoc_AssemblyItemRef.cxx       |  295 ++++
 src/XCAFDoc/XCAFDoc_AssemblyItemRef.hxx       |  154 ++
 src/XCAFDoc/XCAFDoc_DocumentTool.cxx          |   24 +
 src/XCAFDoc/XCAFDoc_DocumentTool.hxx          |   11 +-
 src/XCAFDoc/XCAFDoc_Note.cxx                  |  103 ++
 src/XCAFDoc/XCAFDoc_Note.hxx                  |   82 +
 src/XCAFDoc/XCAFDoc_NoteBalloon.cxx           |   68 +
 src/XCAFDoc/XCAFDoc_NoteBalloon.hxx           |   58 +
 src/XCAFDoc/XCAFDoc_NoteBinData.cxx           |  195 +++
 src/XCAFDoc/XCAFDoc_NoteBinData.hxx           |  129 ++
 src/XCAFDoc/XCAFDoc_NoteComment.cxx           |  113 ++
 src/XCAFDoc/XCAFDoc_NoteComment.hxx           |   72 +
 src/XCAFDoc/XCAFDoc_NotesTool.cxx             |  848 ++++++++++
 src/XCAFDoc/XCAFDoc_NotesTool.hxx             |  519 ++++++
 src/XCAFDoc/XCAFDoc_PartId.hxx                |   22 +
 src/XCAFDoc/XCAFDoc_ViewTool.cxx              |  216 +++
 src/XCAFDoc/XCAFDoc_ViewTool.hxx              |   26 +-
 src/XDEDRAW/FILES                             |    2 +
 src/XDEDRAW/XDEDRAW.cxx                       |    2 +
 src/XDEDRAW/XDEDRAW_Notes.cxx                 | 1438 +++++++++++++++++
 src/XDEDRAW/XDEDRAW_Notes.hxx                 |   35 +
 src/XmlMXCAFDoc/FILES                         |   12 +
 src/XmlMXCAFDoc/XmlMXCAFDoc.cxx               |   20 +-
 src/XmlMXCAFDoc/XmlMXCAFDoc.hxx               |    4 +
 .../XmlMXCAFDoc_AssemblyItemRefDriver.cxx     |  117 ++
 .../XmlMXCAFDoc_AssemblyItemRefDriver.hxx     |   55 +
 .../XmlMXCAFDoc_NoteBalloonDriver.cxx         |   52 +
 .../XmlMXCAFDoc_NoteBalloonDriver.hxx         |   42 +
 .../XmlMXCAFDoc_NoteBinDataDriver.cxx         |  121 ++
 .../XmlMXCAFDoc_NoteBinDataDriver.hxx         |   45 +
 .../XmlMXCAFDoc_NoteCommentDriver.cxx         |   95 ++
 .../XmlMXCAFDoc_NoteCommentDriver.hxx         |   50 +
 src/XmlMXCAFDoc/XmlMXCAFDoc_NoteDriver.cxx    |   78 +
 src/XmlMXCAFDoc/XmlMXCAFDoc_NoteDriver.hxx    |   56 +
 .../XmlMXCAFDoc_NotesToolDriver.cxx           |   62 +
 .../XmlMXCAFDoc_NotesToolDriver.hxx           |   55 +
 tests/gdt/grids.list                          |    1 +
 tests/gdt/notes/A1                            |    5 +
 tests/gdt/notes/A2                            |   13 +
 tests/gdt/notes/A3                            |    9 +
 tests/gdt/notes/A4                            |   16 +
 tests/gdt/notes/A5                            |   16 +
 tests/gdt/notes/B1                            |   18 +
 tests/gdt/notes/B2                            |   22 +
 tests/gdt/notes/B3                            |   25 +
 tests/gdt/notes/B4                            |   22 +
 tests/gdt/notes/B5                            |   15 +
 tests/gdt/notes/B6                            |   18 +
 tests/gdt/notes/B7                            |   21 +
 tests/gdt/notes/C1                            |   24 +
 tests/gdt/notes/C2                            |   28 +
 tests/gdt/notes/C3                            |   28 +
 tests/gdt/notes/C4                            |   27 +
 tests/gdt/notes/C5                            |   29 +
 tests/gdt/notes/C6                            |   29 +
 tests/gdt/notes/C7                            |   31 +
 tests/gdt/notes/C8                            |   33 +
 tests/gdt/notes/C9                            |   33 +
 tests/gdt/notes/D1                            |   51 +
 tests/gdt/notes/begin                         |   21 +
 tests/gdt/notes/end                           |   20 +
 82 files changed, 7061 insertions(+), 17 deletions(-)
 create mode 100644 dox/user_guides/xde/images/xde_notes001.png
 create mode 100644 src/BinMXCAFDoc/BinMXCAFDoc_AssemblyItemRefDriver.cxx
 create mode 100644 src/BinMXCAFDoc/BinMXCAFDoc_AssemblyItemRefDriver.hxx
 create mode 100644 src/BinMXCAFDoc/BinMXCAFDoc_NoteBalloonDriver.cxx
 create mode 100644 src/BinMXCAFDoc/BinMXCAFDoc_NoteBalloonDriver.hxx
 create mode 100644 src/BinMXCAFDoc/BinMXCAFDoc_NoteBinDataDriver.cxx
 create mode 100644 src/BinMXCAFDoc/BinMXCAFDoc_NoteBinDataDriver.hxx
 create mode 100644 src/BinMXCAFDoc/BinMXCAFDoc_NoteCommentDriver.cxx
 create mode 100644 src/BinMXCAFDoc/BinMXCAFDoc_NoteCommentDriver.hxx
 create mode 100644 src/BinMXCAFDoc/BinMXCAFDoc_NoteDriver.cxx
 create mode 100644 src/BinMXCAFDoc/BinMXCAFDoc_NoteDriver.hxx
 create mode 100644 src/BinMXCAFDoc/BinMXCAFDoc_NotesToolDriver.cxx
 create mode 100644 src/BinMXCAFDoc/BinMXCAFDoc_NotesToolDriver.hxx
 create mode 100644 src/XCAFDoc/XCAFDoc_AssemblyItemId.cxx
 create mode 100644 src/XCAFDoc/XCAFDoc_AssemblyItemId.hxx
 create mode 100644 src/XCAFDoc/XCAFDoc_AssemblyItemRef.cxx
 create mode 100644 src/XCAFDoc/XCAFDoc_AssemblyItemRef.hxx
 create mode 100644 src/XCAFDoc/XCAFDoc_Note.cxx
 create mode 100644 src/XCAFDoc/XCAFDoc_Note.hxx
 create mode 100644 src/XCAFDoc/XCAFDoc_NoteBalloon.cxx
 create mode 100644 src/XCAFDoc/XCAFDoc_NoteBalloon.hxx
 create mode 100644 src/XCAFDoc/XCAFDoc_NoteBinData.cxx
 create mode 100644 src/XCAFDoc/XCAFDoc_NoteBinData.hxx
 create mode 100644 src/XCAFDoc/XCAFDoc_NoteComment.cxx
 create mode 100644 src/XCAFDoc/XCAFDoc_NoteComment.hxx
 create mode 100644 src/XCAFDoc/XCAFDoc_NotesTool.cxx
 create mode 100644 src/XCAFDoc/XCAFDoc_NotesTool.hxx
 create mode 100644 src/XCAFDoc/XCAFDoc_PartId.hxx
 create mode 100644 src/XDEDRAW/XDEDRAW_Notes.cxx
 create mode 100644 src/XDEDRAW/XDEDRAW_Notes.hxx
 create mode 100644 src/XmlMXCAFDoc/XmlMXCAFDoc_AssemblyItemRefDriver.cxx
 create mode 100644 src/XmlMXCAFDoc/XmlMXCAFDoc_AssemblyItemRefDriver.hxx
 create mode 100644 src/XmlMXCAFDoc/XmlMXCAFDoc_NoteBalloonDriver.cxx
 create mode 100644 src/XmlMXCAFDoc/XmlMXCAFDoc_NoteBalloonDriver.hxx
 create mode 100644 src/XmlMXCAFDoc/XmlMXCAFDoc_NoteBinDataDriver.cxx
 create mode 100644 src/XmlMXCAFDoc/XmlMXCAFDoc_NoteBinDataDriver.hxx
 create mode 100644 src/XmlMXCAFDoc/XmlMXCAFDoc_NoteCommentDriver.cxx
 create mode 100644 src/XmlMXCAFDoc/XmlMXCAFDoc_NoteCommentDriver.hxx
 create mode 100644 src/XmlMXCAFDoc/XmlMXCAFDoc_NoteDriver.cxx
 create mode 100644 src/XmlMXCAFDoc/XmlMXCAFDoc_NoteDriver.hxx
 create mode 100644 src/XmlMXCAFDoc/XmlMXCAFDoc_NotesToolDriver.cxx
 create mode 100644 src/XmlMXCAFDoc/XmlMXCAFDoc_NotesToolDriver.hxx
 create mode 100644 tests/gdt/notes/A1
 create mode 100644 tests/gdt/notes/A2
 create mode 100644 tests/gdt/notes/A3
 create mode 100644 tests/gdt/notes/A4
 create mode 100644 tests/gdt/notes/A5
 create mode 100644 tests/gdt/notes/B1
 create mode 100644 tests/gdt/notes/B2
 create mode 100644 tests/gdt/notes/B3
 create mode 100644 tests/gdt/notes/B4
 create mode 100644 tests/gdt/notes/B5
 create mode 100644 tests/gdt/notes/B6
 create mode 100644 tests/gdt/notes/B7
 create mode 100644 tests/gdt/notes/C1
 create mode 100644 tests/gdt/notes/C2
 create mode 100644 tests/gdt/notes/C3
 create mode 100644 tests/gdt/notes/C4
 create mode 100644 tests/gdt/notes/C5
 create mode 100644 tests/gdt/notes/C6
 create mode 100644 tests/gdt/notes/C7
 create mode 100644 tests/gdt/notes/C8
 create mode 100644 tests/gdt/notes/C9
 create mode 100644 tests/gdt/notes/D1
 create mode 100644 tests/gdt/notes/begin
 create mode 100644 tests/gdt/notes/end

diff --git a/dox/user_guides/xde/images/xde_notes001.png b/dox/user_guides/xde/images/xde_notes001.png
new file mode 100644
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diff --git a/dox/user_guides/xde/xde.md b/dox/user_guides/xde/xde.md
index d87c3489d9..59e806c5ce 100644
--- a/dox/user_guides/xde/xde.md
+++ b/dox/user_guides/xde/xde.md
@@ -91,6 +91,26 @@ XDE can read and write colors and layers assigned to shapes or their subparts (d
   
  @figure{/user_guides/xde/images/xde_image006.png,"Colors and Layers",240}
 
+@subsection occt_xde_1_7 Custom notes
+ 
+Custom notes is a kind of application specific data attached to assembly items, their attributes and sub-shapes. Basically, there are simple textual comments, binary data and other application specific data. Each note is provided with a timestamp and the user created it.
+
+Notes API provides the following functionality:
+  * Returns total number of notes and annotated items
+  * Returns labels for all notes and annotated items
+  * Creates notes:
+    - Comment note from a text string
+    - Binary data note from a file or byte array
+  * Checks if an assembly item is annotated
+  * Finds a label for the annotated item
+  * Returns all note labels for the annotated item
+  * Add a note to item(s):
+    - Assembly item
+    - Assembly item attribute
+    - Assembly item subshape index
+  * Remove note(s) from an annotated assembly item; orphan note(s) might be deleted optionally (items without linked notes will be deleted automatically)
+  * Delete note(s) and removes them from annotated items
+  * Get / delete orphan notes
 
 @section occt_xde_2 Working with XDE
 
@@ -607,6 +627,136 @@ To remove a Color and all the references to it (so that the related shapes will
 myColors->RemoveColor(ColLabel); 
 ~~~~~
 
+@subsection occt_xde_2_7 Custom notes
+
+In an XDE document, custom notes are managed by the class *XCAFDoc_NotesTool*. This is done with the same principles as for ShapeTool with Shapes, and with the same capability of having a tool on the Main Label, or on any sub-label. The Property itself is defined as sub-classes of an *XCAFDoc_Note* abstract class, which is a sub-class of *TDF_Attribute* one. 
+
+Custom notes are stored in a child of the *XCAFDoc_NotesTool* label: it is at label 0.1.9.1. Each note then corresponds to a dedicated label. A note may be attached to a document item identified by a label, a sub-shape identified by integer index or an attribute identified by GUID. Annotations are stored in a child of the *XCAFDoc_NotesTool* label: it is at label 0.1.9.2.
+Notes binding is done through *XCAFDoc_GraphNode* attribute.
+
+  @figure{/user_guides/xde/images/xde_notes001.png,"Structure of notes part of XCAF document",240}
+  
+@subsubsection occt_xde_2_7_1 Initialization
+
+To query, edit, or initialize a Document to handle custom notes of XCAF, use: 
+~~~~~
+Handle(XCAFDoc_NotesTool) myNotes = 
+XCAFDoc_DocumentTool::NotesTool(Doc->Main ()); 
+~~~~~
+This call can be used at any time. The first time it is used, a relevant structure is added to the document. This definition is used for all the following notes calls and will not be repeated for these. 
+  
+@subsubsection occt_xde_2_7_2 Creating Notes
+
+Before annotating a Document item a note must be created using one of the following methods of *XCAFDoc_NotesTool* class:
+- CreateComment : creates a note with a textual comment
+- CreateBinData : creates a note with arbitrary binary data, e.g. contents of a file
+
+Both methods return an instance of *XCAFDoc_Note* class.
+~~~~~
+Handle(XCAFDoc_NotesTool) myNotes = ...
+Handle(XCAFDoc_Note) myNote = myNotes->CreateComment("User", "Timestamp", "Hello, World!");
+~~~~~
+This code adds a child label to label 0.1.9.1 with *XCAFDoc_NoteComment* attribute.
+
+@subsubsection occt_xde_2_7_3 Editing a Note
+An instance of *XCAFDoc_Note* class can be used for note editing.
+One may change common note data.
+~~~~~
+myNote->Set("New User", "New Timestamp");
+~~~~~
+To change specific data one need to down cast *myNote* handle to the appropriate sub-class:
+~~~~~
+Handle(XCAFDoc_NoteComment) myCommentNote = Handle(XCAFDoc_NoteComment)::DownCast(myNote);
+if (!myCommentNote.IsNull()) {
+  myCommentNote->Set("New comment");
+}
+~~~~~
+
+@subsubsection occt_xde_2_7_4 Adding Notes
+
+Once a note has been created it can be bound to a Document item using the following *XCAFDoc_NotesTool* methods:
+- AddNote : binds a note to a label
+- AddNoteToAttr : binds a note to a label's attribute
+- AddNoteToSubshape : binds a note to a sub-shape
+
+All methods return a pointer to *XCAFDoc_AssemblyItemRef* attribute identifying the annotated item.
+~~~~~
+Handle(XCAFDoc_NotesTool) myNotes = ...
+Handle(XCAFDoc_Note) myNote = ...
+TDF_Label theLabel; ...
+Handle(XCAFDoc_AssemblyItemRef) myRef = myNotes->AddNote(myNote->Label(), theLabel);
+Standard_GUID theAttrGUID; ...
+Handle(XCAFDoc_AssemblyItemRef) myRefAttr = myNotes->AddNoteToAttr(myNote->Label(), theAttrGUID);
+Standard_Integer theSubshape = 1;
+Handle(XCAFDoc_AssemblyItemRef) myRefSubshape = myNotes->AddNoteToSubshape(myNote->Label(), theSubshape);
+~~~~~
+This code adds three child labels to label 0.1.9.2 with *XCAFDoc_AssemblyItemRef* attribute with *XCAFDoc_GraphNode* attributes added to this and note labels.
+
+@subsubsection occt_xde_2_7_5 Finding Notes
+
+To find annotation labels under label 0.1.9.2 use the following *XCAFDoc_NotesTool* methods:
+- FindAnnotatedItem : returns an annotation label for a label
+- FindAnnotatedItemAttr : returns an annotation label for a label's attribute
+- FindAnnotatedItemSubshape : returns an annotation label for a sub-shape
+
+~~~~~
+Handle(XCAFDoc_NotesTool) myNotes = ...
+TDF_Label theLabel; ...
+TDF_Label myLabel = myNotes->FindAnnotatedItem(theLabel);
+Standard_GUID theAttrGUID; ...
+TDF_Label myLabelAttr = myNotes->FindAnnotatedItemAttr(theLabel, theAttrGUID);
+Standard_Integer theSubshape = 1;
+TDF_Label myLabelSubshape = myNotes->FindAnnotatedItemSubshape(theLabel, theSubshape);
+~~~~~
+Null label will be returned if there is no corresponding annotation.
+
+To get all notes of the Document item use the following *XCAFDoc_NotesTool* methods:
+- GetNotes : outputs a sequence of note labels bound to a label
+- GetAttrNotes : outputs a sequence of note labels bound to a label's attribute
+- GetAttrSubshape : outputs a sequence of note labels bound to a sub-shape
+
+All these methods return the number of notes.
+~~~~~
+Handle(XCAFDoc_NotesTool) myNotes = ...
+TDF_Label theLabel; ...
+TDF_LabelSequence theNotes;
+myNotes->GetNotes(theLabel, theNotes);
+Standard_GUID theAttrGUID; ...
+TDF_LabelSequence theNotesAttr;
+myNotes->GetAttrNotes(theLabel, theAttrGUID, theNotesAttr);
+Standard_Integer theSubshape = 1;
+TDF_LabelSequence theNotesSubshape;
+myNotes->GetAttrSubshape(theLabel, theSubshape, theNotesSubshape);
+~~~~~
+
+@subsubsection occt_xde_2_7_6 Removing Notes
+
+To remove a note use one of the following *XCAFDoc_NotesTool* methods:
+- RemoveNote : unbinds a note from a label
+- RemoveAttrNote : unbinds a note from a label's attribute
+- RemoveSubshapeNote : unbinds a note from a sub-shape
+
+~~~~~
+Handle(XCAFDoc_Note) myNote = ...
+TDF_Label theLabel; ...
+myNotes->RemoveNote(myNote->Label(), theLabel);
+Standard_GUID theAttrGUID; ...
+myRefAttr = myNotes->RemoveAttrNote(myNote->Label(), theAttrGUID);
+Standard_Integer theSubshape = 1;
+myNotes->RemoveSubshapeNote(myNote->Label(), theSubshape);
+~~~~~
+A note will not be deleted automatically.
+Counterpart methods to remove all notes are available too.
+  
+@subsubsection occt_xde_2_7_7 Deleting Notes
+
+To delete note(s) use the following *XCAFDoc_NotesTool* methods:
+- DeleteNote : deletes a single note
+- DeleteNotes : deletes a sequence of notes
+- DeleteAllNotes : deletes all Document notes
+- DeleteOrphanNotes : deletes notes not bound to Document items
+
+All these methods excepting the last one break all links with Document items as well.
   
 @subsection occt_xde_2_8 Reading and Writing STEP or IGES
 Note that saving and restoring the document itself are standard OCAF operations. As the various previously described definitions enter into this frame, they will not be explained any further. 
diff --git a/src/BinMXCAFDoc/BinMXCAFDoc.cxx b/src/BinMXCAFDoc/BinMXCAFDoc.cxx
index c0ba1d8d57..0ebe7bfedf 100644
--- a/src/BinMXCAFDoc/BinMXCAFDoc.cxx
+++ b/src/BinMXCAFDoc/BinMXCAFDoc.cxx
@@ -17,6 +17,7 @@
 #include <BinMDF_ADriverTable.hxx>
 #include <BinMNaming_NamedShapeDriver.hxx>
 #include <BinMXCAFDoc.hxx>
+#include <BinMXCAFDoc_AssemblyItemRefDriver.hxx>
 #include <BinMXCAFDoc_AreaDriver.hxx>
 #include <BinMXCAFDoc_CentroidDriver.hxx>
 #include <BinMXCAFDoc_ColorDriver.hxx>
@@ -32,6 +33,11 @@
 #include <BinMXCAFDoc_LocationDriver.hxx>
 #include <BinMXCAFDoc_MaterialDriver.hxx>
 #include <BinMXCAFDoc_MaterialToolDriver.hxx>
+#include <BinMXCAFDoc_NoteDriver.hxx>
+#include <BinMXCAFDoc_NoteBalloonDriver.hxx>
+#include <BinMXCAFDoc_NoteBinDataDriver.hxx>
+#include <BinMXCAFDoc_NoteCommentDriver.hxx>
+#include <BinMXCAFDoc_NotesToolDriver.hxx>
 #include <BinMXCAFDoc_ShapeToolDriver.hxx>
 #include <BinMXCAFDoc_ViewDriver.hxx>
 #include <BinMXCAFDoc_ViewToolDriver.hxx>
@@ -44,7 +50,8 @@
 //purpose  : 
 //=======================================================================
 void BinMXCAFDoc::AddDrivers(const Handle(BinMDF_ADriverTable)& theDriverTable,
-			     const Handle(CDM_MessageDriver)& theMsgDrv) {
+			                       const Handle(CDM_MessageDriver)&   theMsgDrv) 
+{
   theDriverTable->AddDriver( new BinMXCAFDoc_AreaDriver     (theMsgDrv));
   theDriverTable->AddDriver( new BinMXCAFDoc_CentroidDriver (theMsgDrv));
   theDriverTable->AddDriver( new BinMXCAFDoc_ColorDriver    (theMsgDrv));
@@ -63,13 +70,17 @@ void BinMXCAFDoc::AddDrivers(const Handle(BinMDF_ADriverTable)& theDriverTable,
   }
   
   theDriverTable->AddDriver( aLocationDriver);
-  theDriverTable->AddDriver( new BinMXCAFDoc_VolumeDriver   (theMsgDrv));
-  theDriverTable->AddDriver( new BinMXCAFDoc_DatumDriver    (theMsgDrv));
+  theDriverTable->AddDriver( new BinMXCAFDoc_AssemblyItemRefDriver(theMsgDrv));
+  theDriverTable->AddDriver( new BinMXCAFDoc_VolumeDriver      (theMsgDrv));
+  theDriverTable->AddDriver( new BinMXCAFDoc_DatumDriver       (theMsgDrv));
   theDriverTable->AddDriver( new BinMXCAFDoc_GeomToleranceDriver (theMsgDrv));
-  theDriverTable->AddDriver( new BinMXCAFDoc_DimensionDriver (theMsgDrv));
-  theDriverTable->AddDriver( new BinMXCAFDoc_DimTolDriver   (theMsgDrv));
-  theDriverTable->AddDriver( new BinMXCAFDoc_MaterialDriver (theMsgDrv));
-  theDriverTable->AddDriver( new BinMXCAFDoc_ViewDriver     (theMsgDrv));
+  theDriverTable->AddDriver( new BinMXCAFDoc_DimensionDriver   (theMsgDrv));
+  theDriverTable->AddDriver( new BinMXCAFDoc_DimTolDriver      (theMsgDrv));
+  theDriverTable->AddDriver( new BinMXCAFDoc_MaterialDriver    (theMsgDrv));
+  theDriverTable->AddDriver( new BinMXCAFDoc_NoteBalloonDriver (theMsgDrv));
+  theDriverTable->AddDriver( new BinMXCAFDoc_NoteBinDataDriver (theMsgDrv));
+  theDriverTable->AddDriver( new BinMXCAFDoc_NoteCommentDriver (theMsgDrv));
+  theDriverTable->AddDriver( new BinMXCAFDoc_ViewDriver        (theMsgDrv));
 
   theDriverTable->AddDriver( new BinMXCAFDoc_ColorToolDriver   (theMsgDrv));
   theDriverTable->AddDriver( new BinMXCAFDoc_DocumentToolDriver(theMsgDrv));
@@ -77,5 +88,6 @@ void BinMXCAFDoc::AddDrivers(const Handle(BinMDF_ADriverTable)& theDriverTable,
   theDriverTable->AddDriver( new BinMXCAFDoc_ShapeToolDriver   (theMsgDrv));
   theDriverTable->AddDriver( new BinMXCAFDoc_DimTolToolDriver  (theMsgDrv));
   theDriverTable->AddDriver( new BinMXCAFDoc_MaterialToolDriver(theMsgDrv));
+  theDriverTable->AddDriver( new BinMXCAFDoc_NotesToolDriver   (theMsgDrv));
   theDriverTable->AddDriver( new BinMXCAFDoc_ViewToolDriver    (theMsgDrv));
 }
diff --git a/src/BinMXCAFDoc/BinMXCAFDoc_AssemblyItemRefDriver.cxx b/src/BinMXCAFDoc/BinMXCAFDoc_AssemblyItemRefDriver.cxx
new file mode 100644
index 0000000000..7d362ec27c
--- /dev/null
+++ b/src/BinMXCAFDoc/BinMXCAFDoc_AssemblyItemRefDriver.cxx
@@ -0,0 +1,111 @@
+// Created on: 2017-02-16
+// Created by: Eugeny NIKONOV
+// Copyright (c) 2005-2017 OPEN CASCADE SAS
+//
+// This file is part of Open CASCADE Technology software library.
+//
+// This library is free software; you can redistribute it and/or modify it under
+// the terms of the GNU Lesser General Public License version 2.1 as published
+// by the Free Software Foundation, with special exception defined in the file
+// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
+// distribution for complete text of the license and disclaimer of any warranty.
+//
+// Alternatively, this file may be used under the terms of Open CASCADE
+// commercial license or contractual agreement.
+
+#include <BinObjMgt_Persistent.hxx>
+#include <CDM_MessageDriver.hxx>
+#include <Standard_Type.hxx>
+#include <TDF_Attribute.hxx>
+#include <BinMXCAFDoc_AssemblyItemRefDriver.hxx>
+#include <XCAFDoc_AssemblyItemRef.hxx>
+
+IMPLEMENT_STANDARD_RTTIEXT(BinMXCAFDoc_AssemblyItemRefDriver, BinMDF_ADriver)
+
+//=======================================================================
+//function :
+//purpose  : 
+//=======================================================================
+BinMXCAFDoc_AssemblyItemRefDriver::BinMXCAFDoc_AssemblyItemRefDriver(const Handle(CDM_MessageDriver)& theMsgDriver)
+  : BinMDF_ADriver(theMsgDriver, STANDARD_TYPE(XCAFDoc_AssemblyItemRef)->Name())
+{
+
+}
+
+//=======================================================================
+//function :
+//purpose  : 
+//=======================================================================
+Handle(TDF_Attribute) BinMXCAFDoc_AssemblyItemRefDriver::NewEmpty() const
+{
+  return new XCAFDoc_AssemblyItemRef();
+}
+
+//=======================================================================
+//function :
+//purpose  : 
+//=======================================================================
+Standard_Boolean BinMXCAFDoc_AssemblyItemRefDriver::Paste(const BinObjMgt_Persistent&  theSource,
+                                                          const Handle(TDF_Attribute)& theTarget,
+                                                          BinObjMgt_RRelocationTable&  /*theRelocTable*/) const
+{
+  Handle(XCAFDoc_AssemblyItemRef) aThis = Handle(XCAFDoc_AssemblyItemRef)::DownCast(theTarget);
+  if (aThis.IsNull())
+    return Standard_False;
+  
+  TCollection_AsciiString aPathStr;
+  if (!(theSource >> aPathStr))
+    return Standard_False;
+
+  aThis->SetItem(aPathStr);
+
+  Standard_Integer anExtraRef = 0;
+  if (!(theSource >> anExtraRef))
+    return Standard_False;
+
+  if (anExtraRef == 1)
+  {
+    Standard_GUID aGUID;
+    if (!(theSource >> aGUID))
+      return Standard_False;
+
+    aThis->SetGUID(aGUID);
+  }
+  else if (anExtraRef == 2)
+  {
+    Standard_Integer aSubshapeIndex;
+    if (!(theSource >> aSubshapeIndex))
+      return Standard_False;
+
+    aThis->SetSubshapeIndex(aSubshapeIndex);
+  }
+
+  return Standard_True;
+}
+
+//=======================================================================
+//function :
+//purpose  : 
+//=======================================================================
+void BinMXCAFDoc_AssemblyItemRefDriver::Paste(const Handle(TDF_Attribute)& theSource,
+					                                    BinObjMgt_Persistent&        theTarget,
+					                                    BinObjMgt_SRelocationTable&  /*theRelocTable*/) const
+{
+  Handle(XCAFDoc_AssemblyItemRef) aThis = Handle(XCAFDoc_AssemblyItemRef)::DownCast(theSource);
+  if (!aThis.IsNull())
+  {
+    theTarget << aThis->GetItem().ToString();
+    if (aThis->IsGUID())
+    {
+      theTarget << Standard_Integer(1);
+      theTarget << aThis->GetGUID();
+    }
+    else if (aThis->IsSubshapeIndex())
+    {
+      theTarget << Standard_Integer(2);
+      theTarget << aThis->GetSubshapeIndex();
+    }
+    else
+      theTarget << Standard_Integer(0);
+  }
+}
diff --git a/src/BinMXCAFDoc/BinMXCAFDoc_AssemblyItemRefDriver.hxx b/src/BinMXCAFDoc/BinMXCAFDoc_AssemblyItemRefDriver.hxx
new file mode 100644
index 0000000000..9f031eae6d
--- /dev/null
+++ b/src/BinMXCAFDoc/BinMXCAFDoc_AssemblyItemRefDriver.hxx
@@ -0,0 +1,54 @@
+// Created on: 2017-02-16
+// Created by: Sergey NIKONOV
+// Copyright (c) 2005-2017 OPEN CASCADE SAS
+//
+// This file is part of Open CASCADE Technology software library.
+//
+// This library is free software; you can redistribute it and/or modify it under
+// the terms of the GNU Lesser General Public License version 2.1 as published
+// by the Free Software Foundation, with special exception defined in the file
+// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
+// distribution for complete text of the license and disclaimer of any warranty.
+//
+// Alternatively, this file may be used under the terms of Open CASCADE
+// commercial license or contractual agreement.
+
+#ifndef _BinMXCAFDoc_AssemblyItemRefDriver_HeaderFile
+#define _BinMXCAFDoc_AssemblyItemRefDriver_HeaderFile
+
+#include <Standard.hxx>
+#include <Standard_Type.hxx>
+
+#include <BinMDF_ADriver.hxx>
+#include <Standard_Boolean.hxx>
+#include <BinObjMgt_RRelocationTable.hxx>
+#include <BinObjMgt_SRelocationTable.hxx>
+
+class CDM_MessageDriver;
+class TDF_Attribute;
+class BinObjMgt_Persistent;
+
+class BinMXCAFDoc_AssemblyItemRefDriver;
+DEFINE_STANDARD_HANDLE(BinMXCAFDoc_AssemblyItemRefDriver, BinMDF_ADriver)
+
+class BinMXCAFDoc_AssemblyItemRefDriver : public BinMDF_ADriver
+{
+public:
+
+  Standard_EXPORT BinMXCAFDoc_AssemblyItemRefDriver(const Handle(CDM_MessageDriver)& theMsgDriver);
+
+  Standard_EXPORT Handle(TDF_Attribute) NewEmpty() const Standard_OVERRIDE;
+
+  Standard_EXPORT Standard_Boolean Paste (const BinObjMgt_Persistent&  theSource, 
+                                          const Handle(TDF_Attribute)& theTarget, 
+                                          BinObjMgt_RRelocationTable&  theRelocTable) const Standard_OVERRIDE;
+  
+  Standard_EXPORT void Paste (const Handle(TDF_Attribute)& theSource, 
+                              BinObjMgt_Persistent&        theTarget, 
+                              BinObjMgt_SRelocationTable&  theRelocTable) const Standard_OVERRIDE;
+
+  DEFINE_STANDARD_RTTIEXT(BinMXCAFDoc_AssemblyItemRefDriver, BinMDF_ADriver)
+
+};
+
+#endif // _BinMXCAFDoc_AssemblyItemRefDriver_HeaderFile
diff --git a/src/BinMXCAFDoc/BinMXCAFDoc_NoteBalloonDriver.cxx b/src/BinMXCAFDoc/BinMXCAFDoc_NoteBalloonDriver.cxx
new file mode 100644
index 0000000000..700ec100f7
--- /dev/null
+++ b/src/BinMXCAFDoc/BinMXCAFDoc_NoteBalloonDriver.cxx
@@ -0,0 +1,52 @@
+// Created on: 2017-08-10
+// Created by: Eugeny NIKONOV
+// Copyright (c) 2005-2017 OPEN CASCADE SAS
+//
+// This file is part of Open CASCADE Technology software library.
+//
+// This library is free software; you can redistribute it and/or modify it under
+// the terms of the GNU Lesser General Public License version 2.1 as published
+// by the Free Software Foundation, with special exception defined in the file
+// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
+// distribution for complete text of the license and disclaimer of any warranty.
+//
+// Alternatively, this file may be used under the terms of Open CASCADE
+// commercial license or contractual agreement.
+
+#include <BinObjMgt_Persistent.hxx>
+#include <CDM_MessageDriver.hxx>
+#include <Standard_Type.hxx>
+#include <TDF_Attribute.hxx>
+#include <BinMXCAFDoc_NoteBalloonDriver.hxx>
+#include <XCAFDoc_NoteBalloon.hxx>
+
+IMPLEMENT_STANDARD_RTTIEXT(BinMXCAFDoc_NoteBalloonDriver, BinMXCAFDoc_NoteCommentDriver)
+
+//=======================================================================
+//function :
+//purpose  : 
+//=======================================================================
+BinMXCAFDoc_NoteBalloonDriver::BinMXCAFDoc_NoteBalloonDriver(const Handle(CDM_MessageDriver)& theMsgDriver)
+  : BinMXCAFDoc_NoteCommentDriver(theMsgDriver, STANDARD_TYPE(XCAFDoc_NoteBalloon)->Name())
+{
+}
+
+//=======================================================================
+//function :
+//purpose  : 
+//=======================================================================
+Handle(TDF_Attribute) BinMXCAFDoc_NoteBalloonDriver::NewEmpty() const
+{
+  return new XCAFDoc_NoteBalloon();
+}
+
+//=======================================================================
+//function :
+//purpose  : 
+//=======================================================================
+BinMXCAFDoc_NoteBalloonDriver::BinMXCAFDoc_NoteBalloonDriver(const Handle(CDM_MessageDriver)& theMsgDriver,
+                                                             Standard_CString                 theName)
+  : BinMXCAFDoc_NoteCommentDriver(theMsgDriver, theName)
+{
+
+}
diff --git a/src/BinMXCAFDoc/BinMXCAFDoc_NoteBalloonDriver.hxx b/src/BinMXCAFDoc/BinMXCAFDoc_NoteBalloonDriver.hxx
new file mode 100644
index 0000000000..444b77a53d
--- /dev/null
+++ b/src/BinMXCAFDoc/BinMXCAFDoc_NoteBalloonDriver.hxx
@@ -0,0 +1,42 @@
+// Created on: 2017-08-10
+// Created by: Sergey NIKONOV
+// Copyright (c) 2005-2017 OPEN CASCADE SAS
+//
+// This file is part of Open CASCADE Technology software library.
+//
+// This library is free software; you can redistribute it and/or modify it under
+// the terms of the GNU Lesser General Public License version 2.1 as published
+// by the Free Software Foundation, with special exception defined in the file
+// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
+// distribution for complete text of the license and disclaimer of any warranty.
+//
+// Alternatively, this file may be used under the terms of Open CASCADE
+// commercial license or contractual agreement.
+
+#ifndef _BinMXCAFDoc_NoteBalloonDriver_HeaderFile
+#define _BinMXCAFDoc_NoteBalloonDriver_HeaderFile
+
+#include <BinMXCAFDoc_NoteCommentDriver.hxx>
+
+class BinMXCAFDoc_NoteBalloonDriver;
+DEFINE_STANDARD_HANDLE(BinMXCAFDoc_NoteBalloonDriver, BinMXCAFDoc_NoteCommentDriver)
+
+class BinMXCAFDoc_NoteBalloonDriver : public BinMXCAFDoc_NoteCommentDriver
+{
+public:
+  
+  Standard_EXPORT BinMXCAFDoc_NoteBalloonDriver(const Handle(CDM_MessageDriver)& theMsgDriver);
+  
+  Standard_EXPORT Handle(TDF_Attribute) NewEmpty() const Standard_OVERRIDE;
+  
+  DEFINE_STANDARD_RTTIEXT(BinMXCAFDoc_NoteBalloonDriver, BinMXCAFDoc_NoteCommentDriver)
+
+
+protected:
+
+  BinMXCAFDoc_NoteBalloonDriver(const Handle(CDM_MessageDriver)& theMsgDriver,
+                                Standard_CString                 theName);
+
+};
+
+#endif // _BinMXCAFDoc_NoteCommentDriver_HeaderFile
diff --git a/src/BinMXCAFDoc/BinMXCAFDoc_NoteBinDataDriver.cxx b/src/BinMXCAFDoc/BinMXCAFDoc_NoteBinDataDriver.cxx
new file mode 100644
index 0000000000..ee73b46636
--- /dev/null
+++ b/src/BinMXCAFDoc/BinMXCAFDoc_NoteBinDataDriver.cxx
@@ -0,0 +1,96 @@
+// Created on: 2017-02-13
+// Created by: Eugeny NIKONOV
+// Copyright (c) 2005-2017 OPEN CASCADE SAS
+//
+// This file is part of Open CASCADE Technology software library.
+//
+// This library is free software; you can redistribute it and/or modify it under
+// the terms of the GNU Lesser General Public License version 2.1 as published
+// by the Free Software Foundation, with special exception defined in the file
+// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
+// distribution for complete text of the license and disclaimer of any warranty.
+//
+// Alternatively, this file may be used under the terms of Open CASCADE
+// commercial license or contractual agreement.
+
+#include <BinObjMgt_Persistent.hxx>
+#include <CDM_MessageDriver.hxx>
+#include <Standard_Type.hxx>
+#include <TDF_Attribute.hxx>
+#include <TColStd_HArray1OfByte.hxx>
+#include <TCollection_AsciiString.hxx>
+#include <TCollection_ExtendedString.hxx>
+#include <BinMXCAFDoc_NoteBinDataDriver.hxx>
+#include <XCAFDoc_NoteBinData.hxx>
+
+IMPLEMENT_STANDARD_RTTIEXT(BinMXCAFDoc_NoteBinDataDriver, BinMXCAFDoc_NoteDriver)
+
+//=======================================================================
+//function :
+//purpose  : 
+//=======================================================================
+BinMXCAFDoc_NoteBinDataDriver::BinMXCAFDoc_NoteBinDataDriver(const Handle(CDM_MessageDriver)& theMsgDriver)
+  : BinMXCAFDoc_NoteDriver(theMsgDriver, STANDARD_TYPE(XCAFDoc_NoteBinData)->Name())
+{
+}
+
+//=======================================================================
+//function :
+//purpose  : 
+//=======================================================================
+Handle(TDF_Attribute) BinMXCAFDoc_NoteBinDataDriver::NewEmpty() const
+{
+  return new XCAFDoc_NoteBinData();
+}
+
+//=======================================================================
+//function :
+//purpose  : 
+//=======================================================================
+Standard_Boolean BinMXCAFDoc_NoteBinDataDriver::Paste(const BinObjMgt_Persistent&  theSource,
+                                                      const Handle(TDF_Attribute)& theTarget,
+                                                      BinObjMgt_RRelocationTable&  theRelocTable) const
+{
+  if (!BinMXCAFDoc_NoteDriver::Paste(theSource, theTarget, theRelocTable))
+    return Standard_False;
+
+  Handle(XCAFDoc_NoteBinData) aNote = Handle(XCAFDoc_NoteBinData)::DownCast(theTarget);
+  if (aNote.IsNull())
+    return Standard_False;
+
+  TCollection_ExtendedString aTitle;
+  TCollection_AsciiString aMIMEtype;
+  Standard_Integer nbSize;
+  if (!(theSource >> aTitle >> aMIMEtype >> nbSize))
+    return Standard_False;
+
+  Handle(TColStd_HArray1OfByte) aData;
+  if (nbSize > 0)
+  {
+    aData.reset(new TColStd_HArray1OfByte(1, nbSize));
+    theSource.GetByteArray(&aData->ChangeFirst(), nbSize);
+  }
+
+  aNote->Set(aTitle, aMIMEtype, aData);
+
+  return Standard_True;
+}
+
+//=======================================================================
+//function :
+//purpose  : 
+//=======================================================================
+void BinMXCAFDoc_NoteBinDataDriver::Paste(const Handle(TDF_Attribute)& theSource,
+					                                BinObjMgt_Persistent&        theTarget,
+					                                BinObjMgt_SRelocationTable&  theRelocTable) const
+{
+  BinMXCAFDoc_NoteDriver::Paste(theSource, theTarget, theRelocTable);
+
+  Handle(XCAFDoc_NoteBinData) aNote = Handle(XCAFDoc_NoteBinData)::DownCast(theSource);
+  if (!aNote.IsNull())
+  {
+    theTarget << aNote->Title() << aNote->MIMEtype() << aNote->Size();
+    if (aNote->Size() > 0)
+      theTarget.PutByteArray(&aNote->Data()->ChangeFirst(), aNote->Size());
+  }
+}
diff --git a/src/BinMXCAFDoc/BinMXCAFDoc_NoteBinDataDriver.hxx b/src/BinMXCAFDoc/BinMXCAFDoc_NoteBinDataDriver.hxx
new file mode 100644
index 0000000000..422f79784d
--- /dev/null
+++ b/src/BinMXCAFDoc/BinMXCAFDoc_NoteBinDataDriver.hxx
@@ -0,0 +1,44 @@
+// Created on: 2017-02-13
+// Created by: Sergey NIKONOV
+// Copyright (c) 2005-2017 OPEN CASCADE SAS
+//
+// This file is part of Open CASCADE Technology software library.
+//
+// This library is free software; you can redistribute it and/or modify it under
+// the terms of the GNU Lesser General Public License version 2.1 as published
+// by the Free Software Foundation, with special exception defined in the file
+// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
+// distribution for complete text of the license and disclaimer of any warranty.
+//
+// Alternatively, this file may be used under the terms of Open CASCADE
+// commercial license or contractual agreement.
+
+#ifndef _BinMXCAFDoc_NoteBinDataDriver_HeaderFile
+#define _BinMXCAFDoc_NoteBinDataDriver_HeaderFile
+
+#include <BinMXCAFDoc_NoteDriver.hxx>
+
+class BinMXCAFDoc_NoteBinDataDriver;
+DEFINE_STANDARD_HANDLE(BinMXCAFDoc_NoteBinDataDriver, BinMXCAFDoc_NoteDriver)
+
+class BinMXCAFDoc_NoteBinDataDriver : public BinMXCAFDoc_NoteDriver
+{
+public:
+  
+  Standard_EXPORT BinMXCAFDoc_NoteBinDataDriver(const Handle(CDM_MessageDriver)& theMsgDriver);
+  
+  Standard_EXPORT Handle(TDF_Attribute) NewEmpty() const Standard_OVERRIDE;
+  
+  Standard_EXPORT Standard_Boolean Paste (const BinObjMgt_Persistent&  theSource, 
+                                          const Handle(TDF_Attribute)& theTarget, 
+                                          BinObjMgt_RRelocationTable&  theRelocTable) const Standard_OVERRIDE;
+  
+  Standard_EXPORT void Paste (const Handle(TDF_Attribute)& theSource, 
+                              BinObjMgt_Persistent&        theTarget, 
+                              BinObjMgt_SRelocationTable&  theRelocTable) const Standard_OVERRIDE;
+
+  DEFINE_STANDARD_RTTIEXT(BinMXCAFDoc_NoteBinDataDriver, BinMXCAFDoc_NoteDriver)
+
+};
+
+#endif // _BinMXCAFDoc_NoteBinDataDriver_HeaderFile
diff --git a/src/BinMXCAFDoc/BinMXCAFDoc_NoteCommentDriver.cxx b/src/BinMXCAFDoc/BinMXCAFDoc_NoteCommentDriver.cxx
new file mode 100644
index 0000000000..e550915508
--- /dev/null
+++ b/src/BinMXCAFDoc/BinMXCAFDoc_NoteCommentDriver.cxx
@@ -0,0 +1,91 @@
+// Created on: 2017-02-13
+// Created by: Eugeny NIKONOV
+// Copyright (c) 2005-2017 OPEN CASCADE SAS
+//
+// This file is part of Open CASCADE Technology software library.
+//
+// This library is free software; you can redistribute it and/or modify it under
+// the terms of the GNU Lesser General Public License version 2.1 as published
+// by the Free Software Foundation, with special exception defined in the file
+// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
+// distribution for complete text of the license and disclaimer of any warranty.
+//
+// Alternatively, this file may be used under the terms of Open CASCADE
+// commercial license or contractual agreement.
+
+#include <BinObjMgt_Persistent.hxx>
+#include <CDM_MessageDriver.hxx>
+#include <Standard_Type.hxx>
+#include <TDF_Attribute.hxx>
+#include <BinMXCAFDoc_NoteCommentDriver.hxx>
+#include <XCAFDoc_NoteComment.hxx>
+
+IMPLEMENT_STANDARD_RTTIEXT(BinMXCAFDoc_NoteCommentDriver, BinMXCAFDoc_NoteDriver)
+
+//=======================================================================
+//function :
+//purpose  : 
+//=======================================================================
+BinMXCAFDoc_NoteCommentDriver::BinMXCAFDoc_NoteCommentDriver(const Handle(CDM_MessageDriver)& theMsgDriver)
+  : BinMXCAFDoc_NoteDriver(theMsgDriver, STANDARD_TYPE(XCAFDoc_NoteComment)->Name())
+{
+}
+
+//=======================================================================
+//function :
+//purpose  : 
+//=======================================================================
+Handle(TDF_Attribute) BinMXCAFDoc_NoteCommentDriver::NewEmpty() const
+{
+  return new XCAFDoc_NoteComment();
+}
+
+//=======================================================================
+//function :
+//purpose  : 
+//=======================================================================
+Standard_Boolean BinMXCAFDoc_NoteCommentDriver::Paste(const BinObjMgt_Persistent&  theSource,
+                                                      const Handle(TDF_Attribute)& theTarget,
+                                                      BinObjMgt_RRelocationTable&  theRelocTable) const
+{
+  if (!BinMXCAFDoc_NoteDriver::Paste(theSource, theTarget, theRelocTable))
+    return Standard_False;
+
+  Handle(XCAFDoc_NoteComment) aNote = Handle(XCAFDoc_NoteComment)::DownCast(theTarget);
+  if (aNote.IsNull())
+    return Standard_False;
+
+  TCollection_ExtendedString aComment;
+  if (!(theSource >> aComment))
+    return Standard_False;
+
+  aNote->Set(aComment);
+
+  return Standard_True;
+}
+
+//=======================================================================
+//function :
+//purpose  : 
+//=======================================================================
+void BinMXCAFDoc_NoteCommentDriver::Paste(const Handle(TDF_Attribute)& theSource,
+					                                BinObjMgt_Persistent&        theTarget,
+					                                BinObjMgt_SRelocationTable&  theRelocTable) const
+{
+  BinMXCAFDoc_NoteDriver::Paste(theSource, theTarget, theRelocTable);
+
+  Handle(XCAFDoc_NoteComment) aNote = Handle(XCAFDoc_NoteComment)::DownCast(theSource);
+  if (!aNote.IsNull())
+    theTarget << aNote->Comment();
+}
+
+//=======================================================================
+//function :
+//purpose  : 
+//=======================================================================
+BinMXCAFDoc_NoteCommentDriver::BinMXCAFDoc_NoteCommentDriver(const Handle(CDM_MessageDriver)& theMsgDriver,
+                                                             Standard_CString                 theName)
+  : BinMXCAFDoc_NoteDriver(theMsgDriver, theName)
+{
+
+}
diff --git a/src/BinMXCAFDoc/BinMXCAFDoc_NoteCommentDriver.hxx b/src/BinMXCAFDoc/BinMXCAFDoc_NoteCommentDriver.hxx
new file mode 100644
index 0000000000..cad5b6b198
--- /dev/null
+++ b/src/BinMXCAFDoc/BinMXCAFDoc_NoteCommentDriver.hxx
@@ -0,0 +1,49 @@
+// Created on: 2017-02-13
+// Created by: Sergey NIKONOV
+// Copyright (c) 2005-2017 OPEN CASCADE SAS
+//
+// This file is part of Open CASCADE Technology software library.
+//
+// This library is free software; you can redistribute it and/or modify it under
+// the terms of the GNU Lesser General Public License version 2.1 as published
+// by the Free Software Foundation, with special exception defined in the file
+// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
+// distribution for complete text of the license and disclaimer of any warranty.
+//
+// Alternatively, this file may be used under the terms of Open CASCADE
+// commercial license or contractual agreement.
+
+#ifndef _BinMXCAFDoc_NoteCommentDriver_HeaderFile
+#define _BinMXCAFDoc_NoteCommentDriver_HeaderFile
+
+#include <BinMXCAFDoc_NoteDriver.hxx>
+
+class BinMXCAFDoc_NoteCommentDriver;
+DEFINE_STANDARD_HANDLE(BinMXCAFDoc_NoteCommentDriver, BinMXCAFDoc_NoteDriver)
+
+class BinMXCAFDoc_NoteCommentDriver : public BinMXCAFDoc_NoteDriver
+{
+public:
+  
+  Standard_EXPORT BinMXCAFDoc_NoteCommentDriver(const Handle(CDM_MessageDriver)& theMsgDriver);
+  
+  Standard_EXPORT Handle(TDF_Attribute) NewEmpty() const Standard_OVERRIDE;
+  
+  Standard_EXPORT Standard_Boolean Paste (const BinObjMgt_Persistent&  theSource, 
+                                          const Handle(TDF_Attribute)& theTarget, 
+                                          BinObjMgt_RRelocationTable&  theRelocTable) const Standard_OVERRIDE;
+  
+  Standard_EXPORT void Paste (const Handle(TDF_Attribute)& theSource, 
+                              BinObjMgt_Persistent&        theTarget, 
+                              BinObjMgt_SRelocationTable&  theRelocTable) const Standard_OVERRIDE;
+
+  DEFINE_STANDARD_RTTIEXT(BinMXCAFDoc_NoteCommentDriver, BinMXCAFDoc_NoteDriver)
+
+protected:
+
+  BinMXCAFDoc_NoteCommentDriver(const Handle(CDM_MessageDriver)& theMsgDriver,
+                                Standard_CString                 theName);
+
+};
+
+#endif // _BinMXCAFDoc_NoteCommentDriver_HeaderFile
diff --git a/src/BinMXCAFDoc/BinMXCAFDoc_NoteDriver.cxx b/src/BinMXCAFDoc/BinMXCAFDoc_NoteDriver.cxx
new file mode 100644
index 0000000000..fc00d0b83c
--- /dev/null
+++ b/src/BinMXCAFDoc/BinMXCAFDoc_NoteDriver.cxx
@@ -0,0 +1,68 @@
+// Created on: 2017-02-10
+// Created by: Eugeny NIKONOV
+// Copyright (c) 2005-2017 OPEN CASCADE SAS
+//
+// This file is part of Open CASCADE Technology software library.
+//
+// This library is free software; you can redistribute it and/or modify it under
+// the terms of the GNU Lesser General Public License version 2.1 as published
+// by the Free Software Foundation, with special exception defined in the file
+// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
+// distribution for complete text of the license and disclaimer of any warranty.
+//
+// Alternatively, this file may be used under the terms of Open CASCADE
+// commercial license or contractual agreement.
+
+#include <BinObjMgt_Persistent.hxx>
+#include <CDM_MessageDriver.hxx>
+#include <Standard_Type.hxx>
+#include <TDF_Attribute.hxx>
+#include <BinMXCAFDoc_NoteDriver.hxx>
+#include <XCAFDoc_Note.hxx>
+
+IMPLEMENT_STANDARD_RTTIEXT(BinMXCAFDoc_NoteDriver, BinMDF_ADriver)
+
+//=======================================================================
+//function :
+//purpose  : 
+//=======================================================================
+BinMXCAFDoc_NoteDriver::BinMXCAFDoc_NoteDriver(const Handle(CDM_MessageDriver)& theMsgDriver,
+                                               Standard_CString                 theName)
+  : BinMDF_ADriver(theMsgDriver, theName)
+{
+
+}
+
+//=======================================================================
+//function :
+//purpose  : 
+//=======================================================================
+Standard_Boolean BinMXCAFDoc_NoteDriver::Paste(const BinObjMgt_Persistent&  theSource,
+                                               const Handle(TDF_Attribute)& theTarget,
+                                               BinObjMgt_RRelocationTable&  /*theRelocTable*/) const
+{
+  Handle(XCAFDoc_Note) aNote = Handle(XCAFDoc_Note)::DownCast(theTarget);
+  if (aNote.IsNull())
+    return Standard_False;
+  
+  TCollection_ExtendedString aUserName, aTimeStamp;
+  if (!(theSource >> aUserName >> aTimeStamp))
+    return Standard_False;
+
+  aNote->Set(aUserName, aTimeStamp);
+
+  return Standard_True;
+}
+
+//=======================================================================
+//function :
+//purpose  : 
+//=======================================================================
+void BinMXCAFDoc_NoteDriver::Paste(const Handle(TDF_Attribute)& theSource,
+					                         BinObjMgt_Persistent&        theTarget,
+					                         BinObjMgt_SRelocationTable&  /*theRelocTable*/) const
+{
+  Handle(XCAFDoc_Note) aNote = Handle(XCAFDoc_Note)::DownCast(theSource);
+  if (!aNote.IsNull())
+    theTarget << aNote->UserName() << aNote->TimeStamp();
+}
diff --git a/src/BinMXCAFDoc/BinMXCAFDoc_NoteDriver.hxx b/src/BinMXCAFDoc/BinMXCAFDoc_NoteDriver.hxx
new file mode 100644
index 0000000000..17900a0b1a
--- /dev/null
+++ b/src/BinMXCAFDoc/BinMXCAFDoc_NoteDriver.hxx
@@ -0,0 +1,55 @@
+// Created on: 2017-02-10
+// Created by: Sergey NIKONOV
+// Copyright (c) 2005-2017 OPEN CASCADE SAS
+//
+// This file is part of Open CASCADE Technology software library.
+//
+// This library is free software; you can redistribute it and/or modify it under
+// the terms of the GNU Lesser General Public License version 2.1 as published
+// by the Free Software Foundation, with special exception defined in the file
+// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
+// distribution for complete text of the license and disclaimer of any warranty.
+//
+// Alternatively, this file may be used under the terms of Open CASCADE
+// commercial license or contractual agreement.
+
+#ifndef _BinMXCAFDoc_NoteDriver_HeaderFile
+#define _BinMXCAFDoc_NoteDriver_HeaderFile
+
+#include <Standard.hxx>
+#include <Standard_Type.hxx>
+
+#include <BinMDF_ADriver.hxx>
+#include <Standard_Boolean.hxx>
+#include <BinObjMgt_RRelocationTable.hxx>
+#include <BinObjMgt_SRelocationTable.hxx>
+
+class CDM_MessageDriver;
+class TDF_Attribute;
+class BinObjMgt_Persistent;
+
+class BinMXCAFDoc_NoteDriver;
+DEFINE_STANDARD_HANDLE(BinMXCAFDoc_NoteDriver, BinMDF_ADriver)
+
+class BinMXCAFDoc_NoteDriver : public BinMDF_ADriver
+{
+public:
+  
+  Standard_EXPORT Standard_Boolean Paste (const BinObjMgt_Persistent&  theSource, 
+                                          const Handle(TDF_Attribute)& theTarget, 
+                                          BinObjMgt_RRelocationTable&  theRelocTable) const Standard_OVERRIDE;
+  
+  Standard_EXPORT void Paste (const Handle(TDF_Attribute)& theSource, 
+                              BinObjMgt_Persistent&        theTarget, 
+                              BinObjMgt_SRelocationTable&  theRelocTable) const Standard_OVERRIDE;
+
+  DEFINE_STANDARD_RTTIEXT(BinMXCAFDoc_NoteDriver, BinMDF_ADriver)
+
+protected:
+
+  BinMXCAFDoc_NoteDriver(const Handle(CDM_MessageDriver)& theMsgDriver,
+                         Standard_CString                 theName);
+
+};
+
+#endif // _BinMXCAFDoc_NoteDriver_HeaderFile
diff --git a/src/BinMXCAFDoc/BinMXCAFDoc_NotesToolDriver.cxx b/src/BinMXCAFDoc/BinMXCAFDoc_NotesToolDriver.cxx
new file mode 100644
index 0000000000..a3979e2be5
--- /dev/null
+++ b/src/BinMXCAFDoc/BinMXCAFDoc_NotesToolDriver.cxx
@@ -0,0 +1,62 @@
+// Created on: 2017-02-10
+// Created by: Eugeny NIKONOV
+// Copyright (c) 2005-2017 OPEN CASCADE SAS
+//
+// This file is part of Open CASCADE Technology software library.
+//
+// This library is free software; you can redistribute it and/or modify it under
+// the terms of the GNU Lesser General Public License version 2.1 as published
+// by the Free Software Foundation, with special exception defined in the file
+// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
+// distribution for complete text of the license and disclaimer of any warranty.
+//
+// Alternatively, this file may be used under the terms of Open CASCADE
+// commercial license or contractual agreement.
+
+#include <BinObjMgt_Persistent.hxx>
+#include <CDM_MessageDriver.hxx>
+#include <Standard_Type.hxx>
+#include <TDF_Attribute.hxx>
+#include <BinMXCAFDoc_NotesToolDriver.hxx>
+#include <XCAFDoc_NotesTool.hxx>
+
+IMPLEMENT_STANDARD_RTTIEXT(BinMXCAFDoc_NotesToolDriver, BinMDF_ADriver)
+
+//=======================================================================
+//function :
+//purpose  : 
+//=======================================================================
+BinMXCAFDoc_NotesToolDriver::BinMXCAFDoc_NotesToolDriver(const Handle(CDM_MessageDriver)& theMsgDriver)
+  : BinMDF_ADriver(theMsgDriver, STANDARD_TYPE(XCAFDoc_NotesTool)->Name())
+{
+}
+
+//=======================================================================
+//function :
+//purpose  : 
+//=======================================================================
+Handle(TDF_Attribute) BinMXCAFDoc_NotesToolDriver::NewEmpty() const 
+{
+  return new XCAFDoc_NotesTool();
+}
+
+//=======================================================================
+//function :
+//purpose  : 
+//=======================================================================
+Standard_Boolean BinMXCAFDoc_NotesToolDriver::Paste(const BinObjMgt_Persistent&  /*theSource*/,
+                                                    const Handle(TDF_Attribute)& /*theTarget*/,
+                                                    BinObjMgt_RRelocationTable&  /*theRelocTable*/) const
+{
+  return Standard_True;
+}
+
+//=======================================================================
+//function :
+//purpose  : 
+//=======================================================================
+void BinMXCAFDoc_NotesToolDriver::Paste(const Handle(TDF_Attribute)& /*theSource*/,
+					                              BinObjMgt_Persistent&        /*theTarget*/,
+					                              BinObjMgt_SRelocationTable&  /*theRelocTable*/) const
+{
+}
diff --git a/src/BinMXCAFDoc/BinMXCAFDoc_NotesToolDriver.hxx b/src/BinMXCAFDoc/BinMXCAFDoc_NotesToolDriver.hxx
new file mode 100644
index 0000000000..3a8fa0a3b7
--- /dev/null
+++ b/src/BinMXCAFDoc/BinMXCAFDoc_NotesToolDriver.hxx
@@ -0,0 +1,54 @@
+// Created on: 2017-02-10
+// Created by: Sergey NIKONOV
+// Copyright (c) 2005-2017 OPEN CASCADE SAS
+//
+// This file is part of Open CASCADE Technology software library.
+//
+// This library is free software; you can redistribute it and/or modify it under
+// the terms of the GNU Lesser General Public License version 2.1 as published
+// by the Free Software Foundation, with special exception defined in the file
+// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
+// distribution for complete text of the license and disclaimer of any warranty.
+//
+// Alternatively, this file may be used under the terms of Open CASCADE
+// commercial license or contractual agreement.
+
+#ifndef _BinMXCAFDoc_NotesToolDriver_HeaderFile
+#define _BinMXCAFDoc_NotesToolDriver_HeaderFile
+
+#include <Standard.hxx>
+#include <Standard_Type.hxx>
+
+#include <BinMDF_ADriver.hxx>
+#include <Standard_Boolean.hxx>
+#include <BinObjMgt_RRelocationTable.hxx>
+#include <BinObjMgt_SRelocationTable.hxx>
+
+class CDM_MessageDriver;
+class TDF_Attribute;
+class BinObjMgt_Persistent;
+
+class BinMXCAFDoc_NotesToolDriver;
+DEFINE_STANDARD_HANDLE(BinMXCAFDoc_NotesToolDriver, BinMDF_ADriver)
+
+class BinMXCAFDoc_NotesToolDriver : public BinMDF_ADriver
+{
+public:
+  
+  Standard_EXPORT BinMXCAFDoc_NotesToolDriver(const Handle(CDM_MessageDriver)& theMsgDriver);
+  
+  Standard_EXPORT Handle(TDF_Attribute) NewEmpty() const Standard_OVERRIDE;
+  
+  Standard_EXPORT Standard_Boolean Paste (const BinObjMgt_Persistent&  theSource, 
+                                          const Handle(TDF_Attribute)& theTarget, 
+                                          BinObjMgt_RRelocationTable&  theRelocTable) const Standard_OVERRIDE;
+  
+  Standard_EXPORT void Paste (const Handle(TDF_Attribute)& theSource, 
+                              BinObjMgt_Persistent&        theTarget, 
+                              BinObjMgt_SRelocationTable&  theRelocTable) const Standard_OVERRIDE;
+
+  DEFINE_STANDARD_RTTIEXT(BinMXCAFDoc_NotesToolDriver, BinMDF_ADriver)
+
+};
+
+#endif // _BinMXCAFDoc_NotesToolDriver_HeaderFile
diff --git a/src/BinMXCAFDoc/FILES b/src/BinMXCAFDoc/FILES
index fe29702e24..fbb3e87764 100644
--- a/src/BinMXCAFDoc/FILES
+++ b/src/BinMXCAFDoc/FILES
@@ -1,5 +1,7 @@
 BinMXCAFDoc.cxx
 BinMXCAFDoc.hxx
+BinMXCAFDoc_AssemblyItemRefDriver.cxx
+BinMXCAFDoc_AssemblyItemRefDriver.hxx
 BinMXCAFDoc_AreaDriver.cxx
 BinMXCAFDoc_AreaDriver.hxx
 BinMXCAFDoc_CentroidDriver.cxx
@@ -33,6 +35,16 @@ BinMXCAFDoc_MaterialDriver.cxx
 BinMXCAFDoc_MaterialDriver.hxx
 BinMXCAFDoc_MaterialToolDriver.cxx
 BinMXCAFDoc_MaterialToolDriver.hxx
+BinMXCAFDoc_NoteDriver.cxx
+BinMXCAFDoc_NoteDriver.hxx
+BinMXCAFDoc_NoteBalloonDriver.cxx
+BinMXCAFDoc_NoteBalloonDriver.hxx
+BinMXCAFDoc_NoteCommentDriver.cxx
+BinMXCAFDoc_NoteCommentDriver.hxx
+BinMXCAFDoc_NoteBinDataDriver.cxx
+BinMXCAFDoc_NoteBinDataDriver.hxx
+BinMXCAFDoc_NotesToolDriver.cxx
+BinMXCAFDoc_NotesToolDriver.hxx
 BinMXCAFDoc_ShapeToolDriver.cxx
 BinMXCAFDoc_ShapeToolDriver.hxx
 BinMXCAFDoc_ViewDriver.cxx
diff --git a/src/XCAFDoc/FILES b/src/XCAFDoc/FILES
index a30837c6fe..07384bb750 100755
--- a/src/XCAFDoc/FILES
+++ b/src/XCAFDoc/FILES
@@ -2,6 +2,11 @@ FILES
 GUID.txt
 XCAFDoc.cxx
 XCAFDoc.hxx
+XCAFDoc_AssemblyItemId.cxx
+XCAFDoc_AssemblyItemId.hxx
+XCAFDoc_AssemblyItemRef.cxx
+XCAFDoc_AssemblyItemRef.hxx
+XCAFDoc_PartId.hxx
 XCAFDoc_Area.cxx
 XCAFDoc_Area.hxx
 XCAFDoc_Centroid.cxx
@@ -40,6 +45,16 @@ XCAFDoc_Material.cxx
 XCAFDoc_Material.hxx
 XCAFDoc_MaterialTool.cxx
 XCAFDoc_MaterialTool.hxx
+XCAFDoc_Note.cxx
+XCAFDoc_Note.hxx
+XCAFDoc_NoteBalloon.cxx
+XCAFDoc_NoteBalloon.hxx
+XCAFDoc_NoteComment.cxx
+XCAFDoc_NoteComment.hxx
+XCAFDoc_NoteBinData.cxx
+XCAFDoc_NoteBinData.hxx
+XCAFDoc_NotesTool.cxx
+XCAFDoc_NotesTool.hxx
 XCAFDoc_ShapeMapTool.cxx
 XCAFDoc_ShapeMapTool.hxx
 XCAFDoc_ShapeTool.cxx
diff --git a/src/XCAFDoc/XCAFDoc.cxx b/src/XCAFDoc/XCAFDoc.cxx
index 2299ae3293..e92b36227e 100644
--- a/src/XCAFDoc/XCAFDoc.cxx
+++ b/src/XCAFDoc/XCAFDoc.cxx
@@ -172,6 +172,17 @@ Standard_GUID XCAFDoc::MaterialRefGUID ()
 }
 
 
+//=======================================================================
+//function : NoteRefGUID
+//purpose  : 
+//=======================================================================
+
+Standard_GUID XCAFDoc::NoteRefGUID()
+{
+  static Standard_GUID ID ("F3599E50-F84A-493e-8D1B-1284E79322F1");
+  return ID;
+}
+
 //=======================================================================
 //function : InvisibleGUID
 //purpose  : 
@@ -239,6 +250,28 @@ Standard_GUID XCAFDoc::ViewRefPlaneGUID()
   return ID;
 }
 
+//=======================================================================
+//function : ViewRefPlaneGUID
+//purpose  : 
+//=======================================================================
+
+Standard_GUID XCAFDoc::ViewRefNoteGUID()
+{
+  static Standard_GUID ID("C814ACC6-43AC-4812-9B2A-4E9A2A549354");
+  return ID;
+}
+
+//=======================================================================
+//function : ViewRefPlaneGUID
+//purpose  : 
+//=======================================================================
+
+Standard_GUID XCAFDoc::ViewRefAnnotationGUID()
+{
+  static Standard_GUID ID("A2B5BA42-DD00-43f5-8882-4B5F8E76B9D2");
+  return ID;
+}
+
 //=======================================================================
 //function : LockGUID
 //purpose  : 
diff --git a/src/XCAFDoc/XCAFDoc.hxx b/src/XCAFDoc/XCAFDoc.hxx
index 1812029d9e..c59edef99d 100644
--- a/src/XCAFDoc/XCAFDoc.hxx
+++ b/src/XCAFDoc/XCAFDoc.hxx
@@ -97,7 +97,10 @@ public:
   Standard_EXPORT static Standard_GUID LayerRefGUID();
   
   Standard_EXPORT static Standard_GUID MaterialRefGUID();
-  
+
+  //! Return GUIDs for representing notes
+  Standard_EXPORT static Standard_GUID NoteRefGUID();
+
   Standard_EXPORT static Standard_GUID InvisibleGUID();
   
   //! Returns GUID for UAttribute identifying external reference on no-step file
@@ -118,6 +121,10 @@ public:
   //! Return GUIDs for TreeNode representing specified types of View
   Standard_EXPORT static Standard_GUID ViewRefPlaneGUID();
 
+  //! Return GUIDs for GraphNode representing specified types of View
+  Standard_EXPORT static Standard_GUID ViewRefNoteGUID();
+  Standard_EXPORT static Standard_GUID ViewRefAnnotationGUID();
+
   //! Returns GUID for UAttribute identifying lock flag
   Standard_EXPORT static Standard_GUID LockGUID();
 
diff --git a/src/XCAFDoc/XCAFDoc_AssemblyItemId.cxx b/src/XCAFDoc/XCAFDoc_AssemblyItemId.cxx
new file mode 100644
index 0000000000..29984514ca
--- /dev/null
+++ b/src/XCAFDoc/XCAFDoc_AssemblyItemId.cxx
@@ -0,0 +1,123 @@
+// Created on: 2017-02-16
+// Created by: Sergey NIKONOV
+// Copyright (c) 2000-2017 OPEN CASCADE SAS
+//
+// This file is part of Open CASCADE Technology software library.
+//
+// This library is free software; you can redistribute it and/or modify it under
+// the terms of the GNU Lesser General Public License version 2.1 as published
+// by the Free Software Foundation, with special exception defined in the file
+// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
+// distribution for complete text of the license and disclaimer of any warranty.
+//
+// Alternatively, this file may be used under the terms of Open CASCADE
+// commercial license or contractual agreement.
+
+#include <XCAFDoc_AssemblyItemId.hxx>
+
+XCAFDoc_AssemblyItemId::XCAFDoc_AssemblyItemId()
+{
+
+}
+
+XCAFDoc_AssemblyItemId::XCAFDoc_AssemblyItemId(const TColStd_ListOfAsciiString& thePath)
+{
+  Init(thePath);
+}
+
+XCAFDoc_AssemblyItemId::XCAFDoc_AssemblyItemId(const TCollection_AsciiString& theString)
+{
+  Init(theString);
+}
+
+void 
+XCAFDoc_AssemblyItemId::Init(const TColStd_ListOfAsciiString& thePath)
+{
+  myPath = thePath;
+}
+
+void 
+XCAFDoc_AssemblyItemId::Init(const TCollection_AsciiString& theString)
+{
+  myPath.Clear();
+
+  for (Standard_Integer iEntry = 1; ; ++iEntry)
+  {
+    TCollection_AsciiString anEntry = theString.Token("/", iEntry);
+    if (anEntry.IsEmpty())
+      break;
+
+    myPath.Append(anEntry);
+  }
+}
+
+Standard_Boolean 
+XCAFDoc_AssemblyItemId::IsNull() const
+{
+  return myPath.IsEmpty();
+}
+
+void 
+XCAFDoc_AssemblyItemId::Nullify()
+{
+  myPath.Clear();
+}
+
+Standard_Boolean 
+XCAFDoc_AssemblyItemId::IsChild(const XCAFDoc_AssemblyItemId& theOther) const
+{
+  if (myPath.Size() <= theOther.myPath.Size())
+    return Standard_False;
+
+  TColStd_ListOfAsciiString::Iterator anIt(myPath), anItOther(theOther.myPath);
+  for (; anItOther.More(); anIt.Next(), anItOther.Next())
+  {
+    if (anIt.Value() != anItOther.Value())
+      return Standard_False;
+  }
+
+  return Standard_True;
+}
+
+Standard_Boolean 
+XCAFDoc_AssemblyItemId::IsDirectChild(const XCAFDoc_AssemblyItemId& theOther) const
+{
+  return ((myPath.Size() == theOther.myPath.Size() - 1) && IsChild(theOther));
+}
+
+Standard_Boolean 
+XCAFDoc_AssemblyItemId::IsEqual(const XCAFDoc_AssemblyItemId& theOther) const
+{
+  if (this == &theOther)
+    return Standard_True;
+
+  if (myPath.Size() != theOther.myPath.Size())
+    return Standard_False;
+
+  TColStd_ListOfAsciiString::Iterator anIt(myPath), anItOther(theOther.myPath);
+  for (; anIt.More() && anItOther.More(); anIt.Next(), anItOther.Next())
+  {
+    if (anIt.Value() != anItOther.Value())
+      return Standard_False;
+  }
+
+  return Standard_True;
+}
+
+const 
+TColStd_ListOfAsciiString& XCAFDoc_AssemblyItemId::GetPath() const
+{
+  return myPath;
+}
+
+TCollection_AsciiString 
+XCAFDoc_AssemblyItemId::ToString() const
+{
+  TCollection_AsciiString aStr;
+  for (TColStd_ListOfAsciiString::Iterator anIt(myPath); anIt.More(); anIt.Next())
+  {
+    aStr += '/';
+    aStr += anIt.Value();
+  }
+  return aStr;
+}
diff --git a/src/XCAFDoc/XCAFDoc_AssemblyItemId.hxx b/src/XCAFDoc/XCAFDoc_AssemblyItemId.hxx
new file mode 100644
index 0000000000..94b8c040f3
--- /dev/null
+++ b/src/XCAFDoc/XCAFDoc_AssemblyItemId.hxx
@@ -0,0 +1,101 @@
+// Created on: 2017-02-16
+// Created by: Sergey NIKONOV
+// Copyright (c) 2000-2017 OPEN CASCADE SAS
+//
+// This file is part of Open CASCADE Technology software library.
+//
+// This library is free software; you can redistribute it and/or modify it under
+// the terms of the GNU Lesser General Public License version 2.1 as published
+// by the Free Software Foundation, with special exception defined in the file
+// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
+// distribution for complete text of the license and disclaimer of any warranty.
+//
+// Alternatively, this file may be used under the terms of Open CASCADE
+// commercial license or contractual agreement.
+
+#ifndef _XCAFDoc_AssemblyItemId_HeaderFile
+#define _XCAFDoc_AssemblyItemId_HeaderFile
+
+#include <Standard_GUID.hxx>
+#include <TColStd_ListOfAsciiString.hxx>
+
+//! Unique item identifier in the hierarchical product structure.
+//! A full path to an assembly component in the “part-of” graph starting from 
+//! the root node. 
+class XCAFDoc_AssemblyItemId
+{
+
+public:
+
+  //! Constructs an empty item ID.
+  Standard_EXPORT XCAFDoc_AssemblyItemId();
+
+  //! Constructs an item ID from a list of strings, where every 
+  //! string is a label entry.
+  //! \param [in] thePath - list of label entries.
+  Standard_EXPORT XCAFDoc_AssemblyItemId(const TColStd_ListOfAsciiString& thePath);
+
+  //! Constructs an item ID from a formatted path, where label entries
+  //! are separated by '/' symbol.
+  //! \param [in] theString - formatted full path.
+  Standard_EXPORT XCAFDoc_AssemblyItemId(const TCollection_AsciiString& theString);
+
+  //! Initializes the item ID from a list of strings, where every 
+  //! string is a label entry.
+  //! \param [in] thePath - list of label entries.
+  Standard_EXPORT void Init(const TColStd_ListOfAsciiString& thePath);
+
+  //! Initializes the item ID from a formatted path, where label entries
+  //! are separated by '/' symbol.
+  //! \param [in] theString - formatted full path.
+  Standard_EXPORT void Init(const TCollection_AsciiString& theString);
+
+  //! Returns true if the full path is empty, otherwise - false.
+  Standard_EXPORT Standard_Boolean IsNull() const;
+
+  //! Clears the full path.
+  Standard_EXPORT void Nullify();
+
+  //! Checks if this item is a child of the given item.
+  //! \param [in] theOther - potentially ancestor item.
+  //! \return true if the item is a child of theOther item, otherwise - false.
+  Standard_EXPORT Standard_Boolean IsChild(const XCAFDoc_AssemblyItemId& theOther) const;
+
+  //! Checks if this item is a direct child of the given item.
+  //! \param [in] theOther - potentially parent item.
+  //! \return true if the item is a direct child of theOther item, otherwise - false.
+  Standard_EXPORT Standard_Boolean IsDirectChild(const XCAFDoc_AssemblyItemId& theOther) const;
+
+  //! Checks for item IDs equality.
+  //! \param [in] theOther - the item ID to check equality with.
+  //! \return true if this ID is equal to theOther, otherwise - false.
+  Standard_EXPORT Standard_Boolean IsEqual(const XCAFDoc_AssemblyItemId& theOther) const;
+
+  //! Returns the full path as a list of label entries.
+  Standard_EXPORT const TColStd_ListOfAsciiString& GetPath() const;
+
+  //! Returns the full pass as a formatted string.
+  Standard_EXPORT TCollection_AsciiString ToString() const;
+
+  struct Hasher
+  {
+    static int HashCode(const XCAFDoc_AssemblyItemId& theItem, 
+                        const int                     upper)
+    {
+      return ::HashCode(theItem.ToString(), upper);
+    }
+
+    static int IsEqual(const XCAFDoc_AssemblyItemId& theItem1,
+                       const XCAFDoc_AssemblyItemId& theItem2)
+    {
+      return theItem1.IsEqual(theItem2);
+    }
+  };
+
+private:
+
+  TColStd_ListOfAsciiString myPath; ///< List of label entries
+
+};
+
+#endif // _XCAFDoc_AssemblyItemId_HeaderFile
diff --git a/src/XCAFDoc/XCAFDoc_AssemblyItemRef.cxx b/src/XCAFDoc/XCAFDoc_AssemblyItemRef.cxx
new file mode 100644
index 0000000000..9059998e78
--- /dev/null
+++ b/src/XCAFDoc/XCAFDoc_AssemblyItemRef.cxx
@@ -0,0 +1,295 @@
+// Created on: 2017-02-16
+// Created by: Sergey NIKONOV
+// Copyright (c) 2000-2017 OPEN CASCADE SAS
+//
+// This file is part of Open CASCADE Technology software library.
+//
+// This library is free software; you can redistribute it and/or modify it under
+// the terms of the GNU Lesser General Public License version 2.1 as published
+// by the Free Software Foundation, with special exception defined in the file
+// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
+// distribution for complete text of the license and disclaimer of any warranty.
+//
+// Alternatively, this file may be used under the terms of Open CASCADE
+// commercial license or contractual agreement.
+
+#include <Standard_GUID.hxx>
+#include <TDF_Data.hxx>
+#include <TDF_Label.hxx>
+#include <TDF_Tool.hxx>
+#include <TDF_RelocationTable.hxx>
+#include <TDocStd_Owner.hxx>
+#include <TDocStd_Document.hxx>
+#include <TNaming_NamedShape.hxx>
+#include <TopExp.hxx>
+#include <TopoDS_Shape.hxx>
+#include <TopTools_IndexedMapOfShape.hxx>
+#include <XCAFDoc_AssemblyItemRef.hxx>
+
+IMPLEMENT_STANDARD_RTTIEXT(XCAFDoc_AssemblyItemRef, TDF_Attribute)
+
+enum {
+  ExtraRef_None,
+  ExtraRef_AttrGUID,
+  ExtraRef_SubshapeIndex
+};
+
+const Standard_GUID& 
+XCAFDoc_AssemblyItemRef::GetID()
+{
+  static Standard_GUID s_ID("3F2E4CD6-169B-4747-A321-5670E4291F5D");
+  return s_ID;
+}
+
+Handle(XCAFDoc_AssemblyItemRef) 
+XCAFDoc_AssemblyItemRef::Get(const TDF_Label& theLabel)
+{
+  Handle(XCAFDoc_AssemblyItemRef) aThis;
+  theLabel.FindAttribute(XCAFDoc_AssemblyItemRef::GetID(), aThis);
+  return aThis;
+}
+
+Handle(XCAFDoc_AssemblyItemRef) 
+XCAFDoc_AssemblyItemRef::Set(const TDF_Label&              theLabel,
+                             const XCAFDoc_AssemblyItemId& theItemId)
+{
+  Handle(XCAFDoc_AssemblyItemRef) aThis;
+  if (!theLabel.IsNull() && !theLabel.FindAttribute(XCAFDoc_AssemblyItemRef::GetID(), aThis))
+  {
+    aThis = new XCAFDoc_AssemblyItemRef();
+    aThis->SetItem(theItemId);
+    theLabel.AddAttribute(aThis);
+  }
+  return aThis;
+}
+
+Handle(XCAFDoc_AssemblyItemRef) 
+XCAFDoc_AssemblyItemRef::Set(const TDF_Label&              theLabel,
+                             const XCAFDoc_AssemblyItemId& theItemId,
+                             const Standard_GUID&          theAttrGUID)
+{
+  Handle(XCAFDoc_AssemblyItemRef) aThis;
+  if (!theLabel.IsNull() && !theLabel.FindAttribute(XCAFDoc_AssemblyItemRef::GetID(), aThis))
+  {
+    aThis = new XCAFDoc_AssemblyItemRef();
+    aThis->SetItem(theItemId);
+    aThis->SetGUID(theAttrGUID);
+    theLabel.AddAttribute(aThis);
+  }
+  return aThis;
+}
+
+Handle(XCAFDoc_AssemblyItemRef) 
+XCAFDoc_AssemblyItemRef::Set(const TDF_Label&              theLabel,
+                             const XCAFDoc_AssemblyItemId& theItemId,
+                             const Standard_Integer        theShapeIndex)
+{
+  Handle(XCAFDoc_AssemblyItemRef) aThis;
+  if (!theLabel.IsNull() && !theLabel.FindAttribute(XCAFDoc_AssemblyItemRef::GetID(), aThis))
+  {
+    aThis = new XCAFDoc_AssemblyItemRef();
+    aThis->SetItem(theItemId);
+    aThis->SetSubshapeIndex(theShapeIndex);
+    theLabel.AddAttribute(aThis);
+  }
+  return aThis;
+}
+
+XCAFDoc_AssemblyItemRef::XCAFDoc_AssemblyItemRef()
+  : myExtraRef(ExtraRef_None)
+{
+
+}
+
+Standard_Boolean 
+XCAFDoc_AssemblyItemRef::IsOrphan() const
+{
+  if (myItemId.IsNull())
+    return Standard_True;
+
+  TDF_Label aRoot = Label().Root();
+
+  Handle(TDocStd_Owner) anOwner;
+  if (!aRoot.FindAttribute(TDocStd_Owner::GetID(), anOwner))
+    return Standard_True;
+
+  Handle(TDocStd_Document) aDoc = anOwner->GetDocument();
+  if (aDoc.IsNull())
+    return Standard_True;
+
+  Handle(TDF_Data) aData = aDoc->GetData();
+  if (aData.IsNull())
+    return Standard_True;
+
+  TDF_Label aLabel;
+  TDF_Tool::Label(aData, myItemId.GetPath().Last(), aLabel);
+  if (aLabel.IsNull())
+    return Standard_True;
+
+  if (HasExtraRef())
+  {
+    if (IsGUID())
+    {
+      Handle(TDF_Attribute) anAttr;
+      if (!aLabel.FindAttribute(GetGUID(), anAttr))
+        return Standard_True;
+    }
+    else if (IsSubshapeIndex())
+    {
+      Handle(TNaming_NamedShape) aNamedShape;
+      if (!aLabel.FindAttribute(TNaming_NamedShape::GetID(), aNamedShape))
+        return Standard_True;
+
+      TopoDS_Shape aShape = aNamedShape->Get();
+      TopTools_IndexedMapOfShape aMap;
+      TopExp::MapShapes(aShape, aMap);
+      Standard_Integer aSubshapeIndex = GetSubshapeIndex();
+      if (aSubshapeIndex < 1 || aMap.Size() < aSubshapeIndex)
+        return Standard_True;
+    }
+  }
+
+  return Standard_False;
+}
+
+Standard_Boolean 
+XCAFDoc_AssemblyItemRef::HasExtraRef() const
+{
+  return (myExtraRef != ExtraRef_None);
+}
+
+Standard_Boolean 
+XCAFDoc_AssemblyItemRef::IsGUID() const
+{
+  return (myExtraRef == ExtraRef_AttrGUID && Standard_GUID::CheckGUIDFormat(myExtraId.ToCString()));
+}
+
+Standard_Boolean 
+XCAFDoc_AssemblyItemRef::IsSubshapeIndex() const
+{
+  return (myExtraRef == ExtraRef_SubshapeIndex && myExtraId.IsIntegerValue());
+}
+
+const XCAFDoc_AssemblyItemId& 
+XCAFDoc_AssemblyItemRef::GetItem() const
+{
+  return myItemId;
+}
+
+Standard_GUID 
+XCAFDoc_AssemblyItemRef::GetGUID() const
+{
+  if (IsGUID())
+    return Standard_GUID(myExtraId.ToCString());
+  else
+    return Standard_GUID();
+}
+
+Standard_Integer 
+XCAFDoc_AssemblyItemRef::GetSubshapeIndex() const
+{
+  if (IsSubshapeIndex())
+    return myExtraId.IntegerValue();
+  else
+    return 0;
+}
+
+void 
+XCAFDoc_AssemblyItemRef::SetItem(const XCAFDoc_AssemblyItemId& theItemId)
+{
+  Backup();
+  myItemId = theItemId;
+  ClearExtraRef();
+}
+
+void
+XCAFDoc_AssemblyItemRef::SetItem(const TColStd_ListOfAsciiString& thePath)
+{
+  Backup();
+  myItemId.Init(thePath);
+  ClearExtraRef();
+}
+
+void
+XCAFDoc_AssemblyItemRef::SetItem(const TCollection_AsciiString& theString)
+{
+  Backup();
+  myItemId.Init(theString);
+  ClearExtraRef();
+}
+
+void XCAFDoc_AssemblyItemRef::SetGUID(const Standard_GUID& theAttrGUID)
+{
+  Backup();
+  myExtraRef = ExtraRef_AttrGUID;
+  Standard_Character aGUIDStr[Standard_GUID_SIZE + 1];
+  theAttrGUID.ToCString(aGUIDStr); 
+  aGUIDStr[Standard_GUID_SIZE] = '\0';
+  myExtraId.Clear();
+  myExtraId.AssignCat(aGUIDStr);
+}
+
+void 
+XCAFDoc_AssemblyItemRef::SetSubshapeIndex(Standard_Integer theSubshapeIndex)
+{
+  Backup();
+  myExtraRef = ExtraRef_SubshapeIndex;
+  myExtraId.Clear();
+  myExtraId.AssignCat(theSubshapeIndex);
+}
+
+void 
+XCAFDoc_AssemblyItemRef::ClearExtraRef()
+{
+  Backup();
+  myExtraRef = ExtraRef_None;
+  myExtraId.Clear();
+}
+
+const Standard_GUID& 
+XCAFDoc_AssemblyItemRef::ID() const
+{
+  return GetID();
+}
+
+Handle(TDF_Attribute) 
+XCAFDoc_AssemblyItemRef::NewEmpty() const
+{
+  return new XCAFDoc_AssemblyItemRef();
+}
+
+void 
+XCAFDoc_AssemblyItemRef::Restore(const Handle(TDF_Attribute)& theAttrFrom)
+{
+  Handle(XCAFDoc_AssemblyItemRef) anOther = Handle(XCAFDoc_AssemblyItemRef)::DownCast(theAttrFrom);
+  if (!anOther.IsNull())
+  {
+    myItemId = anOther->myItemId;
+    myExtraRef = anOther->myExtraRef;
+    myExtraId = anOther->myExtraId;
+  }
+}
+
+void 
+XCAFDoc_AssemblyItemRef::Paste(const Handle(TDF_Attribute)&       theAttrInto,
+                               const Handle(TDF_RelocationTable)& /*theRT*/) const
+{
+  Handle(XCAFDoc_AssemblyItemRef) anOther = Handle(XCAFDoc_AssemblyItemRef)::DownCast(theAttrInto);
+  if (!anOther.IsNull())
+  {
+    anOther->myItemId = myItemId;
+    anOther->myExtraRef = myExtraRef;
+    anOther->myExtraId = myExtraId;
+  }
+}
+
+Standard_OStream& 
+XCAFDoc_AssemblyItemRef::Dump(Standard_OStream& theOS) const
+{
+  theOS << "Path: " << myItemId.ToString();
+  if (IsGUID())
+    theOS << "/GUID:" << myExtraId;
+  else if (IsSubshapeIndex())
+    theOS << "/Subshape: " << myExtraId;
+  return theOS;
+}
diff --git a/src/XCAFDoc/XCAFDoc_AssemblyItemRef.hxx b/src/XCAFDoc/XCAFDoc_AssemblyItemRef.hxx
new file mode 100644
index 0000000000..9f4eb60540
--- /dev/null
+++ b/src/XCAFDoc/XCAFDoc_AssemblyItemRef.hxx
@@ -0,0 +1,154 @@
+// Created on: 2017-02-16
+// Created by: Sergey NIKONOV
+// Copyright (c) 2000-2017 OPEN CASCADE SAS
+//
+// This file is part of Open CASCADE Technology software library.
+//
+// This library is free software; you can redistribute it and/or modify it under
+// the terms of the GNU Lesser General Public License version 2.1 as published
+// by the Free Software Foundation, with special exception defined in the file
+// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
+// distribution for complete text of the license and disclaimer of any warranty.
+//
+// Alternatively, this file may be used under the terms of Open CASCADE
+// commercial license or contractual agreement.
+
+#ifndef _XCAFDoc_AssemblyItemRef_HeaderFile
+#define _XCAFDoc_AssemblyItemRef_HeaderFile
+
+#include <Standard.hxx>
+#include <Standard_Type.hxx>
+#include <Standard_GUID.hxx>
+#include <TDF_Attribute.hxx>
+#include <XCAFDoc_AssemblyItemId.hxx>
+
+class TDF_Data;
+class TDF_RelocationTable;
+
+class XCAFDoc_AssemblyItemRef;
+DEFINE_STANDARD_HANDLE(XCAFDoc_AssemblyItemRef, TDF_Attribute)
+
+//! An attribute that describes a weak reference to an assembly item
+//! or to a subshape or to an assembly label attribute.
+class XCAFDoc_AssemblyItemRef : public TDF_Attribute
+{
+
+public:
+
+  DEFINE_STANDARD_RTTIEXT(XCAFDoc_AssemblyItemRef, TDF_Attribute);
+
+  Standard_EXPORT static const Standard_GUID& GetID();
+
+  //! Finds a reference attribute on the given label and returns it, if it is found
+  Standard_EXPORT static Handle(XCAFDoc_AssemblyItemRef) Get(const TDF_Label& theLabel);
+
+  //! @name Set reference attribute functions.
+  //! @{
+
+  //! Create (if not exist) a reference to an assembly item.
+  //! \param [in] theLabel  - label to add the attribute.
+  //! \param [in] theItemId - assembly item ID.
+  //! \return A handle to the attribute instance.
+  Standard_EXPORT static Handle(XCAFDoc_AssemblyItemRef) Set(const TDF_Label&              theLabel,
+                                                             const XCAFDoc_AssemblyItemId& theItemId);
+
+  //! Create (if not exist) a reference to an assembly item's label attribute.
+  //! \param [in] theLabel  - label to add the attribute.
+  //! \param [in] theItemId - assembly item ID.
+  //! \param [in] theGUID   - assembly item's label attribute ID.
+  //! \return A handle to the attribute instance.
+  Standard_EXPORT static Handle(XCAFDoc_AssemblyItemRef) Set(const TDF_Label&              theLabel,
+                                                             const XCAFDoc_AssemblyItemId& theItemId,
+                                                             const Standard_GUID&          theGUID);
+
+  //! Create (if not exist) a reference to an assembly item's subshape.
+  //! \param [in] theLabel      - label to add the attribute.
+  //! \param [in] theItemId     - assembly item ID.
+  //! \param [in] theShapeIndex - assembly item's subshape index.
+  //! \return A handle to the attribute instance.
+  Standard_EXPORT static Handle(XCAFDoc_AssemblyItemRef) Set(const TDF_Label&              theLabel,
+                                                             const XCAFDoc_AssemblyItemId& theItemId,
+                                                             const Standard_Integer        theShapeIndex);
+
+  //! @}
+
+  //! Creates an empty reference attribute.
+  Standard_EXPORT XCAFDoc_AssemblyItemRef();
+
+  //! Checks if the reference points to a really existing item in XDE document.
+  Standard_EXPORT Standard_Boolean IsOrphan() const;
+
+  //! @name Extra reference functions.
+  //! @{
+
+  //! Checks if the reference points on an item's shapeindex or attribute.
+  Standard_EXPORT Standard_Boolean HasExtraRef() const;
+
+  //! Checks is the reference points to an item's attribute.
+  Standard_EXPORT Standard_Boolean IsGUID() const;
+
+  //! Checks is the reference points to an item's subshape.
+  Standard_EXPORT Standard_Boolean IsSubshapeIndex() const;
+
+  //! Returns the assembly item's attribute that the reference points to.
+  //! If the reference doesn't point to an attribute, returns an empty GUID.
+  Standard_EXPORT Standard_GUID GetGUID() const;
+
+  //! Returns the assembly item's subshape that the reference points to.
+  //! If the reference doesn't point to a subshape, returns 0.
+  Standard_EXPORT Standard_Integer GetSubshapeIndex() const;
+
+  //! @}
+
+  //! Returns the assembly item ID that the reference points to.
+  Standard_EXPORT const XCAFDoc_AssemblyItemId& GetItem() const;
+  
+  //! @name Set reference data functions.
+  //! @{
+
+  //! Sets the assembly item ID that the reference points to.
+  //! Extra reference data (if any) will be cleared.
+  Standard_EXPORT void SetItem(const XCAFDoc_AssemblyItemId& theItemId);
+
+  //! Sets the assembly item ID from a list of label entries 
+  //! that the reference points to.
+  //! Extra reference data (if any) will be cleared.
+  Standard_EXPORT void SetItem(const TColStd_ListOfAsciiString& thePath);
+
+  //! Sets the assembly item ID from a formatted path 
+  //! that the reference points to.
+  //! Extra reference data (if any) will be cleared.
+  Standard_EXPORT void SetItem(const TCollection_AsciiString& theString);
+
+  //! Sets the assembly item's label attribute that the reference points to.
+  //! The base assembly item will not change.
+  Standard_EXPORT void SetGUID(const Standard_GUID& theAttrGUID);
+
+  //! Sets the assembly item's subshape that the reference points to.
+  //! The base assembly item will not change.
+  Standard_EXPORT void SetSubshapeIndex(Standard_Integer theShapeIndex);
+
+  //! @}
+
+  //! Reverts the reference to empty state.
+  Standard_EXPORT void ClearExtraRef();
+
+public:
+
+  // Overrides TDF_Attribute pure virtuals
+  Standard_EXPORT const Standard_GUID& ID() const Standard_OVERRIDE;
+  Standard_EXPORT Handle(TDF_Attribute) NewEmpty() const Standard_OVERRIDE;
+  Standard_EXPORT void Restore(const Handle(TDF_Attribute)& theAttrFrom) Standard_OVERRIDE;
+  Standard_EXPORT void Paste(const Handle(TDF_Attribute)&       theAttrInto,
+                             const Handle(TDF_RelocationTable)& theRT) const Standard_OVERRIDE;
+  Standard_EXPORT Standard_OStream& Dump(Standard_OStream& theOS) const Standard_OVERRIDE;
+
+private:
+
+  XCAFDoc_AssemblyItemId  myItemId;   ///< Assembly item ID
+  Standard_Integer        myExtraRef; ///< Type of extra reference: subshape or attribute
+  TCollection_AsciiString myExtraId;  ///< Extra reference data
+
+};
+
+#endif // _XCAFDoc_AssemblyItemRef_HeaderFile
diff --git a/src/XCAFDoc/XCAFDoc_DocumentTool.cxx b/src/XCAFDoc/XCAFDoc_DocumentTool.cxx
index fdaa9c5448..5614c690f0 100644
--- a/src/XCAFDoc/XCAFDoc_DocumentTool.cxx
+++ b/src/XCAFDoc/XCAFDoc_DocumentTool.cxx
@@ -30,6 +30,7 @@
 #include <XCAFDoc_DocumentTool.hxx>
 #include <XCAFDoc_LayerTool.hxx>
 #include <XCAFDoc_MaterialTool.hxx>
+#include <XCAFDoc_NotesTool.hxx>
 #include <XCAFDoc_ShapeTool.hxx>
 #include <XCAFDoc_ViewTool.hxx>
 
@@ -83,6 +84,7 @@ Handle(XCAFDoc_DocumentTool) XCAFDoc_DocumentTool::Set(const TDF_Label& L,
     XCAFDoc_LayerTool::Set(LayersLabel(L));
     XCAFDoc_DimTolTool::Set(DGTsLabel(L));
     XCAFDoc_MaterialTool::Set(MaterialsLabel(L));
+    XCAFDoc_NotesTool::Set(NotesLabel(L));
     XCAFDoc_ViewTool::Set(ViewsLabel(L));
     XCAFDoc_ClippingPlaneTool::Set(ClippingPlanesLabel(L));
   }
@@ -211,6 +213,18 @@ TDF_Label XCAFDoc_DocumentTool::ClippingPlanesLabel(const TDF_Label& acces)
   return L;
 }
 
+//=======================================================================
+//function : NotesLabel
+//purpose  : 
+//=======================================================================
+
+TDF_Label XCAFDoc_DocumentTool::NotesLabel(const TDF_Label& acces)
+{
+  TDF_Label L = DocLabel(acces).FindChild(9, Standard_True);
+  TDataStd_Name::Set(L, "Notes");
+  return L;
+}
+
 //=======================================================================
 //function : ShapeTool
 //purpose  : 
@@ -285,6 +299,16 @@ Handle(XCAFDoc_ClippingPlaneTool) XCAFDoc_DocumentTool::ClippingPlaneTool(const
   return XCAFDoc_ClippingPlaneTool::Set(ClippingPlanesLabel(acces));
 }
 
+//=======================================================================
+//function : ClippingPlaneTool
+//purpose  : 
+//=======================================================================
+
+Handle(XCAFDoc_NotesTool) XCAFDoc_DocumentTool::NotesTool(const TDF_Label& acces)
+{
+  return XCAFDoc_NotesTool::Set(NotesLabel(acces));
+}
+
 //=======================================================================
 //function : ID
 //purpose  : 
diff --git a/src/XCAFDoc/XCAFDoc_DocumentTool.hxx b/src/XCAFDoc/XCAFDoc_DocumentTool.hxx
index 5f467a4f4f..51a793fcca 100644
--- a/src/XCAFDoc/XCAFDoc_DocumentTool.hxx
+++ b/src/XCAFDoc/XCAFDoc_DocumentTool.hxx
@@ -30,6 +30,7 @@ class XCAFDoc_ClippingPlaneTool;
 class XCAFDoc_LayerTool;
 class XCAFDoc_DimTolTool;
 class XCAFDoc_MaterialTool;
+class XCAFDoc_NotesTool;
 class XCAFDoc_ViewTool;
 class TDF_Attribute;
 class TDF_RelocationTable;
@@ -84,7 +85,10 @@ public:
   
   //! Returns sub-label of DocLabel() with tag 8.
   Standard_EXPORT static TDF_Label ClippingPlanesLabel(const TDF_Label& acces);
-  
+
+  //! Returns sub-label of DocLabel() with tag 9.
+  Standard_EXPORT static TDF_Label NotesLabel(const TDF_Label& acces);
+
   //! Creates (if it does not exist) ShapeTool attribute on ShapesLabel().
   Standard_EXPORT static Handle(XCAFDoc_ShapeTool) ShapeTool (const TDF_Label& acces);
   
@@ -105,7 +109,10 @@ public:
   
   //! Creates (if it does not exist) ClippingPlaneTool attribute on ClippingPlanesLabel().
   Standard_EXPORT static Handle(XCAFDoc_ClippingPlaneTool) ClippingPlaneTool(const TDF_Label& acces);
-  
+
+  //! Creates (if it does not exist) NotesTool attribute on NotesLabel().
+  Standard_EXPORT static Handle(XCAFDoc_NotesTool) NotesTool(const TDF_Label& acces);
+
   Standard_EXPORT XCAFDoc_DocumentTool();
   
   //! to be called when reading this attribute from file
diff --git a/src/XCAFDoc/XCAFDoc_Note.cxx b/src/XCAFDoc/XCAFDoc_Note.cxx
new file mode 100644
index 0000000000..f5a7d9e7d7
--- /dev/null
+++ b/src/XCAFDoc/XCAFDoc_Note.cxx
@@ -0,0 +1,103 @@
+// Created on: 2017-02-10
+// Created by: Sergey NIKONOV
+// Copyright (c) 2000-2017 OPEN CASCADE SAS
+//
+// This file is part of Open CASCADE Technology software library.
+//
+// This library is free software; you can redistribute it and/or modify it under
+// the terms of the GNU Lesser General Public License version 2.1 as published
+// by the Free Software Foundation, with special exception defined in the file
+// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
+// distribution for complete text of the license and disclaimer of any warranty.
+//
+// Alternatively, this file may be used under the terms of Open CASCADE
+// commercial license or contractual agreement.
+
+#include <Standard_GUID.hxx>
+#include <TDF_AttributeIterator.hxx>
+#include <TDF_Label.hxx>
+#include <XCAFDoc.hxx>
+#include <XCAFDoc_GraphNode.hxx>
+#include <XCAFDoc_Note.hxx>
+
+IMPLEMENT_STANDARD_RTTIEXT(XCAFDoc_Note, TDF_Attribute)
+
+Standard_Boolean 
+XCAFDoc_Note::IsMine(const TDF_Label& theLabel)
+{
+  return !Get(theLabel).IsNull();
+}
+
+XCAFDoc_Note::XCAFDoc_Note()
+{
+}
+
+Handle(XCAFDoc_Note) 
+XCAFDoc_Note::Get(const TDF_Label& theLabel)
+{
+  Handle(XCAFDoc_Note) aNote;
+  for (TDF_AttributeIterator anIt(theLabel); anIt.More(); anIt.Next())
+  {
+    aNote = Handle(XCAFDoc_Note)::DownCast(anIt.Value());
+    if (!aNote.IsNull())
+      break;
+  }
+  return aNote;
+}
+
+void 
+XCAFDoc_Note::Set(const TCollection_ExtendedString& theUserName,
+                  const TCollection_ExtendedString& theTimeStamp)
+{
+  Backup();
+
+  myUserName = theUserName;
+  myTimeStamp = theTimeStamp;
+}
+
+const TCollection_ExtendedString& 
+XCAFDoc_Note::UserName() const
+{
+  return myUserName;
+}
+
+const TCollection_ExtendedString& 
+XCAFDoc_Note::TimeStamp() const
+{
+  return myTimeStamp;
+}
+
+Standard_Boolean 
+XCAFDoc_Note::IsOrphan() const
+{
+  Handle(XCAFDoc_GraphNode) aFather;
+  return !Label().FindAttribute(XCAFDoc::NoteRefGUID(), aFather) ||
+         (aFather->NbChildren() == 0);
+}
+
+void 
+XCAFDoc_Note::Restore(const Handle(TDF_Attribute)& theAttr)
+{
+  myUserName = Handle(XCAFDoc_Note)::DownCast(theAttr)->myUserName;
+  myTimeStamp = Handle(XCAFDoc_Note)::DownCast(theAttr)->myTimeStamp;
+}
+
+void 
+XCAFDoc_Note::Paste(const Handle(TDF_Attribute)&       theAttrInto,
+                    const Handle(TDF_RelocationTable)& /*theRT*/) const
+{
+  Handle(XCAFDoc_Note)::DownCast(theAttrInto)->Set(myUserName, myTimeStamp);
+}
+
+Standard_OStream& 
+XCAFDoc_Note::Dump(Standard_OStream& theOS) const
+{
+  TDF_Attribute::Dump(theOS);
+  theOS 
+    << "Note : " 
+    << (myUserName.IsEmpty() ? myUserName : "<anonymous>")
+    << " on "
+    << (myTimeStamp.IsEmpty() ? myTimeStamp : "<unknown>")
+    ;
+  return theOS;
+}
diff --git a/src/XCAFDoc/XCAFDoc_Note.hxx b/src/XCAFDoc/XCAFDoc_Note.hxx
new file mode 100644
index 0000000000..736e6f1802
--- /dev/null
+++ b/src/XCAFDoc/XCAFDoc_Note.hxx
@@ -0,0 +1,82 @@
+// Created on: 2017-02-10
+// Created by: Sergey NIKONOV
+// Copyright (c) 2000-2017 OPEN CASCADE SAS
+//
+// This file is part of Open CASCADE Technology software library.
+//
+// This library is free software; you can redistribute it and/or modify it under
+// the terms of the GNU Lesser General Public License version 2.1 as published
+// by the Free Software Foundation, with special exception defined in the file
+// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
+// distribution for complete text of the license and disclaimer of any warranty.
+//
+// Alternatively, this file may be used under the terms of Open CASCADE
+// commercial license or contractual agreement.
+
+#ifndef _XCAFDoc_Note_HeaderFile
+#define _XCAFDoc_Note_HeaderFile
+
+#include <Standard.hxx>
+#include <Standard_Type.hxx>
+#include <TCollection_ExtendedString.hxx>
+#include <OSD_File.hxx>
+#include <TDF_Attribute.hxx>
+#include <TDF_LabelSequence.hxx>
+
+class Standard_GUID;
+class TDF_RelocationTable;
+
+class XCAFDoc_Note;
+DEFINE_STANDARD_HANDLE(XCAFDoc_Note, TDF_Attribute)
+
+//! A base note attribute.
+//! Any note contains the name of the user created the note
+//! and the creation timestamp.
+class XCAFDoc_Note : public TDF_Attribute
+{
+public:
+
+  DEFINE_STANDARD_RTTIEXT(XCAFDoc_Note, TDF_Attribute)
+
+  //! Checks if the given label represents a note.
+  Standard_EXPORT static Standard_Boolean IsMine(const TDF_Label& theLabel);
+
+  //! Finds a reference attribute on the given label and returns it, if it is found
+  Standard_EXPORT static Handle(XCAFDoc_Note) Get(const TDF_Label& theLabel);
+
+  //! Sets the user name and the timestamp of the note.
+  //! \param [in] theUserName  - the user associated with the note.
+  //! \param [in] theTimeStamp - timestamp of the note.
+  //! \return A handle to the attribute instance.
+  Standard_EXPORT void Set(const TCollection_ExtendedString& theUserName,
+    const TCollection_ExtendedString& theTimeStamp);
+
+  //! Returns the user name, who created the note.
+  Standard_EXPORT const TCollection_ExtendedString& UserName() const;
+
+  //! Returns the timestamp of the note.
+  Standard_EXPORT const TCollection_ExtendedString& TimeStamp() const;
+
+  //! Checks if the note isn't linked to annotated items.
+  Standard_EXPORT Standard_Boolean IsOrphan() const;
+
+public:
+
+  // Overrides TDF_Attribute virtuals
+  Standard_EXPORT void Restore(const Handle(TDF_Attribute)& theAttrFrom) Standard_OVERRIDE;
+  Standard_EXPORT void Paste(const Handle(TDF_Attribute)&       theAttrInto,
+                             const Handle(TDF_RelocationTable)& theRT) const Standard_OVERRIDE;
+  Standard_EXPORT Standard_OStream& Dump(Standard_OStream& theOS) const Standard_OVERRIDE;
+
+protected:
+
+  //! Creates an empty note.
+  Standard_EXPORT XCAFDoc_Note();
+
+private:
+
+  TCollection_ExtendedString myUserName;  ///< Name of the user, who created the note.
+  TCollection_ExtendedString myTimeStamp; ///< Timestamp, when the note was created.
+};
+
+#endif // _XCAFDoc_Note_HeaderFile
diff --git a/src/XCAFDoc/XCAFDoc_NoteBalloon.cxx b/src/XCAFDoc/XCAFDoc_NoteBalloon.cxx
new file mode 100644
index 0000000000..32288721b8
--- /dev/null
+++ b/src/XCAFDoc/XCAFDoc_NoteBalloon.cxx
@@ -0,0 +1,68 @@
+// Created on: 2017-08-10
+// Created by: Sergey NIKONOV
+// Copyright (c) 2000-2017 OPEN CASCADE SAS
+//
+// This file is part of Open CASCADE Technology software library.
+//
+// This library is free software; you can redistribute it and/or modify it under
+// the terms of the GNU Lesser General Public License version 2.1 as published
+// by the Free Software Foundation, with special exception defined in the file
+// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
+// distribution for complete text of the license and disclaimer of any warranty.
+//
+// Alternatively, this file may be used under the terms of Open CASCADE
+// commercial license or contractual agreement.
+
+#include <Standard_GUID.hxx>
+#include <TDF_Label.hxx>
+#include <XCAFDoc_NoteBalloon.hxx>
+
+IMPLEMENT_STANDARD_RTTIEXT(XCAFDoc_NoteBalloon, XCAFDoc_NoteComment)
+
+const Standard_GUID& 
+XCAFDoc_NoteBalloon::GetID()
+{
+  static Standard_GUID s_ID("1127951D-87D5-4ecc-89D5-D1406576C43F");
+  return s_ID;
+}
+
+Handle(XCAFDoc_NoteBalloon)
+XCAFDoc_NoteBalloon::Get(const TDF_Label& theLabel)
+{
+  Handle(XCAFDoc_NoteBalloon) aThis;
+  theLabel.FindAttribute(XCAFDoc_NoteBalloon::GetID(), aThis);
+  return aThis;
+}
+
+Handle(XCAFDoc_NoteBalloon)
+XCAFDoc_NoteBalloon::Set(const TDF_Label&                  theLabel,
+                         const TCollection_ExtendedString& theUserName,
+                         const TCollection_ExtendedString& theTimeStamp,
+                         const TCollection_ExtendedString& theComment)
+{
+  Handle(XCAFDoc_NoteBalloon) aNoteBalloon;
+  if (!theLabel.IsNull() && !theLabel.FindAttribute(XCAFDoc_NoteBalloon::GetID(), aNoteBalloon))
+  {
+    aNoteBalloon = new XCAFDoc_NoteBalloon();
+    aNoteBalloon->XCAFDoc_Note::Set(theUserName, theTimeStamp);
+    aNoteBalloon->XCAFDoc_NoteComment::Set(theComment);
+    theLabel.AddAttribute(aNoteBalloon);
+  }
+  return aNoteBalloon;
+}
+
+XCAFDoc_NoteBalloon::XCAFDoc_NoteBalloon()
+{
+}
+
+const Standard_GUID& 
+XCAFDoc_NoteBalloon::ID() const
+{
+  return GetID();
+}
+
+Handle(TDF_Attribute) 
+XCAFDoc_NoteBalloon::NewEmpty() const
+{
+  return new XCAFDoc_NoteBalloon();
+}
diff --git a/src/XCAFDoc/XCAFDoc_NoteBalloon.hxx b/src/XCAFDoc/XCAFDoc_NoteBalloon.hxx
new file mode 100644
index 0000000000..10a77970a7
--- /dev/null
+++ b/src/XCAFDoc/XCAFDoc_NoteBalloon.hxx
@@ -0,0 +1,58 @@
+// Created on: 2017-08-10
+// Created by: Sergey NIKONOV
+// Copyright (c) 2000-2017 OPEN CASCADE SAS
+//
+// This file is part of Open CASCADE Technology software library.
+//
+// This library is free software; you can redistribute it and/or modify it under
+// the terms of the GNU Lesser General Public License version 2.1 as published
+// by the Free Software Foundation, with special exception defined in the file
+// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
+// distribution for complete text of the license and disclaimer of any warranty.
+//
+// Alternatively, this file may be used under the terms of Open CASCADE
+// commercial license or contractual agreement.
+
+#ifndef _XCAFDoc_NoteBalloon_HeaderFile
+#define _XCAFDoc_NoteBalloon_HeaderFile
+
+#include <XCAFDoc_NoteComment.hxx>
+
+class XCAFDoc_NoteBalloon;
+DEFINE_STANDARD_HANDLE(XCAFDoc_NoteBalloon, XCAFDoc_NoteComment)
+
+//! A comment note attribute.
+//! Contains a textual comment.
+class XCAFDoc_NoteBalloon : public XCAFDoc_NoteComment
+{
+public:
+
+  DEFINE_STANDARD_RTTIEXT(XCAFDoc_NoteBalloon, XCAFDoc_NoteComment)
+
+  Standard_EXPORT static const Standard_GUID& GetID();
+
+  //! Finds a reference attribute on the given label and returns it, if it is found
+  Standard_EXPORT static Handle(XCAFDoc_NoteBalloon) Get(const TDF_Label& theLabel);
+
+  //! Create (if not exist) a comment note on the given label.
+  //! \param [in] theLabel     - note label.
+  //! \param [in] theUserName  - the name of the user, who created the note.
+  //! \param [in] theTimeStamp - creation timestamp of the note.
+  //! \param [in] theComment   - comment text.
+  Standard_EXPORT static Handle(XCAFDoc_NoteBalloon) Set(const TDF_Label&                  theLabel,
+                                                         const TCollection_ExtendedString& theUserName,
+                                                         const TCollection_ExtendedString& theTimeStamp,
+                                                         const TCollection_ExtendedString& theComment);
+
+  //! Creates an empty comment note.
+  Standard_EXPORT XCAFDoc_NoteBalloon();
+
+public:
+
+  // Overrides TDF_Attribute virtuals
+  Standard_EXPORT const Standard_GUID& ID() const Standard_OVERRIDE;
+  Standard_EXPORT Handle(TDF_Attribute) NewEmpty() const Standard_OVERRIDE;
+
+};
+
+#endif // _XCAFDoc_NoteBalloon_HeaderFile
diff --git a/src/XCAFDoc/XCAFDoc_NoteBinData.cxx b/src/XCAFDoc/XCAFDoc_NoteBinData.cxx
new file mode 100644
index 0000000000..beb638f83d
--- /dev/null
+++ b/src/XCAFDoc/XCAFDoc_NoteBinData.cxx
@@ -0,0 +1,195 @@
+// Created on: 2017-02-13
+// Created by: Sergey NIKONOV
+// Copyright (c) 2000-2017 OPEN CASCADE SAS
+//
+// This file is part of Open CASCADE Technology software library.
+//
+// This library is free software; you can redistribute it and/or modify it under
+// the terms of the GNU Lesser General Public License version 2.1 as published
+// by the Free Software Foundation, with special exception defined in the file
+// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
+// distribution for complete text of the license and disclaimer of any warranty.
+//
+// Alternatively, this file may be used under the terms of Open CASCADE
+// commercial license or contractual agreement.
+
+#include <OSD_File.hxx>
+#include <Standard_GUID.hxx>
+#include <TDF_Label.hxx>
+#include <XCAFDoc_NoteBinData.hxx>
+
+IMPLEMENT_STANDARD_RTTIEXT(XCAFDoc_NoteBinData, XCAFDoc_Note)
+
+const Standard_GUID& 
+XCAFDoc_NoteBinData::GetID()
+{
+  static Standard_GUID s_ID("E9055501-F0FC-4864-BE4B-284FDA7DDEAC");
+  return s_ID;
+}
+
+Handle(XCAFDoc_NoteBinData)
+XCAFDoc_NoteBinData::Get(const TDF_Label& theLabel)
+{
+  Handle(XCAFDoc_NoteBinData) aThis;
+  theLabel.FindAttribute(XCAFDoc_NoteBinData::GetID(), aThis);
+  return aThis;
+}
+
+Handle(XCAFDoc_NoteBinData) 
+XCAFDoc_NoteBinData::Set(const TDF_Label&                  theLabel,
+                         const TCollection_ExtendedString& theUserName,
+                         const TCollection_ExtendedString& theTimeStamp,
+                         const TCollection_ExtendedString& theTitle,
+                         const TCollection_AsciiString&    theMIMEtype,
+                         OSD_File&                         theFile)
+{
+  Handle(XCAFDoc_NoteBinData) aNoteBinData;
+  if (!theLabel.IsNull() && !theLabel.FindAttribute(XCAFDoc_NoteBinData::GetID(), aNoteBinData))
+  {
+    aNoteBinData = new XCAFDoc_NoteBinData();
+    aNoteBinData->XCAFDoc_Note::Set(theUserName, theTimeStamp);
+    if (aNoteBinData->Set(theTitle, theMIMEtype, theFile))
+      theLabel.AddAttribute(aNoteBinData);
+    else
+      aNoteBinData.Nullify();
+  }
+  return aNoteBinData;
+}
+
+Handle(XCAFDoc_NoteBinData) 
+XCAFDoc_NoteBinData::Set(const TDF_Label&                     theLabel,
+                         const TCollection_ExtendedString&    theUserName,
+                         const TCollection_ExtendedString&    theTimeStamp,
+                         const TCollection_ExtendedString&    theTitle,
+                         const TCollection_AsciiString&       theMIMEtype,
+                         const Handle(TColStd_HArray1OfByte)& theData)
+{
+  Handle(XCAFDoc_NoteBinData) aNoteBinData;
+  if (!theLabel.IsNull() && !theLabel.FindAttribute(XCAFDoc_NoteBinData::GetID(), aNoteBinData))
+  {
+    aNoteBinData = new XCAFDoc_NoteBinData();
+    aNoteBinData->XCAFDoc_Note::Set(theUserName, theTimeStamp);
+    aNoteBinData->Set(theTitle, theMIMEtype, theData);
+    theLabel.AddAttribute(aNoteBinData);
+  }
+  return aNoteBinData;
+}
+
+XCAFDoc_NoteBinData::XCAFDoc_NoteBinData()
+{
+}
+
+Standard_Boolean 
+XCAFDoc_NoteBinData::Set(const TCollection_ExtendedString& theTitle,
+                         const TCollection_AsciiString&    theMIMEtype,
+                         OSD_File&                         theFile)
+{
+  if (!theFile.IsOpen() || !theFile.IsReadable())
+    return Standard_False;
+
+  Backup();
+
+  if (theFile.Size() > (Standard_Size)IntegerLast())
+    return Standard_False;
+
+  myData.reset(new TColStd_HArray1OfByte(1, (Standard_Integer)theFile.Size()));
+  Standard_Integer nbReadBytes = 0;
+  theFile.Read((Standard_Address)&myData->First(), myData->Length(), nbReadBytes);
+  if (nbReadBytes < myData->Length())
+    return Standard_False;
+
+  myTitle = theTitle;
+  myMIMEtype = theMIMEtype;
+
+  return Standard_True;
+}
+
+void 
+XCAFDoc_NoteBinData::Set(const TCollection_ExtendedString&    theTitle, 
+                         const TCollection_AsciiString&       theMIMEtype,
+                         const Handle(TColStd_HArray1OfByte)& theData)
+{
+  Backup();
+
+  myData = theData;
+  myTitle = theTitle;
+  myMIMEtype = theMIMEtype;
+}
+
+const TCollection_ExtendedString& 
+XCAFDoc_NoteBinData::Title() const
+{
+  return myTitle;
+}
+
+const TCollection_AsciiString& 
+XCAFDoc_NoteBinData::MIMEtype() const
+{
+  return myMIMEtype;
+}
+
+Standard_Integer 
+XCAFDoc_NoteBinData::Size() const
+{
+  return (!myData.IsNull() ? myData->Length() : 0);
+}
+
+const Handle(TColStd_HArray1OfByte)& 
+XCAFDoc_NoteBinData::Data() const
+{
+  return myData;
+}
+
+const 
+Standard_GUID& XCAFDoc_NoteBinData::ID() const
+{
+  return GetID();
+}
+
+Handle(TDF_Attribute) 
+XCAFDoc_NoteBinData::NewEmpty() const
+{
+  return new XCAFDoc_NoteBinData();
+}
+
+void 
+XCAFDoc_NoteBinData::Restore(const Handle(TDF_Attribute)& theAttr)
+{
+  XCAFDoc_Note::Restore(theAttr);
+
+  Handle(XCAFDoc_NoteBinData) aMine = Handle(XCAFDoc_NoteBinData)::DownCast(theAttr);
+  if (!aMine.IsNull())
+  {
+    myTitle = aMine->myTitle;
+    myMIMEtype = aMine->myMIMEtype;
+    myData = aMine->myData;
+  }
+}
+
+void 
+XCAFDoc_NoteBinData::Paste(const Handle(TDF_Attribute)&       theAttrInto,
+                           const Handle(TDF_RelocationTable)& theRT) const
+{
+  XCAFDoc_Note::Paste(theAttrInto, theRT);
+
+  Handle(XCAFDoc_NoteBinData) aMine = Handle(XCAFDoc_NoteBinData)::DownCast(theAttrInto);
+  if (!aMine.IsNull())
+    aMine->Set(myTitle, myMIMEtype, myData);
+}
+
+Standard_OStream& 
+XCAFDoc_NoteBinData::Dump(Standard_OStream& theOS) const
+{
+  XCAFDoc_Note::Dump(theOS);
+  theOS << "\n"
+    << "Title : " << (!myTitle.IsEmpty() ? myMIMEtype : "<untitled>") << "\n"
+    << "MIME type : " << (!myMIMEtype.IsEmpty() ? myMIMEtype : "<none>") << "\n"
+    << "Size : " << Size() << " bytes" << "\n"
+    ;
+  if (!myData.IsNull())
+  {
+    for (Standard_Integer i = myData->Lower(); i <= myData->Upper(); ++i)
+      theOS << myData->Value(i);
+  }
+  return theOS;
+}
diff --git a/src/XCAFDoc/XCAFDoc_NoteBinData.hxx b/src/XCAFDoc/XCAFDoc_NoteBinData.hxx
new file mode 100644
index 0000000000..dc902be3c8
--- /dev/null
+++ b/src/XCAFDoc/XCAFDoc_NoteBinData.hxx
@@ -0,0 +1,129 @@
+// Created on: 2017-02-13
+// Created by: Sergey NIKONOV
+// Copyright (c) 2000-2017 OPEN CASCADE SAS
+//
+// This file is part of Open CASCADE Technology software library.
+//
+// This library is free software; you can redistribute it and/or modify it under
+// the terms of the GNU Lesser General Public License version 2.1 as published
+// by the Free Software Foundation, with special exception defined in the file
+// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
+// distribution for complete text of the license and disclaimer of any warranty.
+//
+// Alternatively, this file may be used under the terms of Open CASCADE
+// commercial license or contractual agreement.
+
+#ifndef _XCAFDoc_NoteBinData_HeaderFile
+#define _XCAFDoc_NoteBinData_HeaderFile
+
+#include <XCAFDoc_Note.hxx>
+#include <TColStd_HArray1OfByte.hxx>
+#include <TCollection_AsciiString.hxx>
+#include <TCollection_ExtendedString.hxx>
+
+class OSD_File;
+
+class XCAFDoc_NoteBinData;
+DEFINE_STANDARD_HANDLE(XCAFDoc_NoteBinData, XCAFDoc_Note)
+
+class XCAFDoc_NoteBinData : public XCAFDoc_Note
+{
+public:
+
+  DEFINE_STANDARD_RTTIEXT(XCAFDoc_NoteBinData, XCAFDoc_Note)
+
+  Standard_EXPORT static const Standard_GUID& GetID();
+
+  //! Finds a binary data attribute on the given label and returns it, if it is found
+  Standard_EXPORT static Handle(XCAFDoc_NoteBinData) Get(const TDF_Label& theLabel);
+
+  //! @name Set attribute functions.
+  //! @{
+
+  //! Create (if not exist) a binary note with data loaded from a binary file.
+  //! \param [in] theLabel     - label to add the attribute.
+  //! \param [in] theUserName  - the name of the user, who created the note.
+  //! \param [in] theTimeStamp - creation timestamp of the note.
+  //! \param [in] theTitle     - file title.
+  //! \param [in] theMIMEtype  - MIME type of the file.
+  //! \param [in] theFile      - input binary file.
+  //! \return A handle to the attribute instance.
+  Standard_EXPORT static Handle(XCAFDoc_NoteBinData) Set(const TDF_Label&                  theLabel,
+                                                         const TCollection_ExtendedString& theUserName,
+                                                         const TCollection_ExtendedString& theTimeStamp,
+                                                         const TCollection_ExtendedString& theTitle,
+                                                         const TCollection_AsciiString&    theMIMEtype,
+                                                         OSD_File&                         theFile);
+
+  //! Create (if not exist) a binary note byte data array.
+  //! \param [in] theLabel     - label to add the attribute.
+  //! \param [in] theUserName  - the name of the user, who created the note.
+  //! \param [in] theTimeStamp - creation timestamp of the note.
+  //! \param [in] theTitle     - data title.
+  //! \param [in] theMIMEtype  - MIME type of data.
+  //! \param [in] theData      - byte data array.
+  //! \return A handle to the attribute instance.
+  Standard_EXPORT static Handle(XCAFDoc_NoteBinData) Set(const TDF_Label&                     theLabel,
+                                                         const TCollection_ExtendedString&    theUserName,
+                                                         const TCollection_ExtendedString&    theTimeStamp,
+                                                         const TCollection_ExtendedString&    theTitle,
+                                                         const TCollection_AsciiString&       theMIMEtype,
+                                                         const Handle(TColStd_HArray1OfByte)& theData);
+
+  //! @}
+
+  //! Creates an empty binary data note.
+  Standard_EXPORT XCAFDoc_NoteBinData();
+
+  //! @name Set attribute data functions.
+  //! @{
+
+  //! Sets title, MIME type and data from a binary file.
+  //! \param [in] theTitle     - file title.
+  //! \param [in] theMIMEtype  - MIME type of the file.
+  //! \param [in] theFile      - input binary file.
+  Standard_EXPORT Standard_Boolean Set(const TCollection_ExtendedString& theTitle,
+                                       const TCollection_AsciiString&    theMIMEtype,
+                                       OSD_File&                         theFile);
+
+  //! Sets title, MIME type and data from a byte array.
+  //! \param [in] theTitle     - data title.
+  //! \param [in] theMIMEtype  - MIME type of data.
+  //! \param [in] theData      - byte data array.
+  Standard_EXPORT void Set(const TCollection_ExtendedString&    theTitle,
+                           const TCollection_AsciiString&       theMIMEtype,
+                           const Handle(TColStd_HArray1OfByte)& theData);
+
+  //! @}
+
+  //! Returns the note title.
+  Standard_EXPORT const TCollection_ExtendedString& Title() const;
+
+  //! Returns data MIME type.
+  Standard_EXPORT const TCollection_AsciiString& MIMEtype() const;
+
+  //! Size of data in bytes.
+  Standard_EXPORT Standard_Integer Size() const;
+
+  //! Returns byte data array.
+  Standard_EXPORT const Handle(TColStd_HArray1OfByte)& Data() const;
+
+public:
+
+  // Overrides TDF_Attribute virtuals
+  Standard_EXPORT const Standard_GUID& ID() const Standard_OVERRIDE;
+  Standard_EXPORT Handle(TDF_Attribute) NewEmpty() const Standard_OVERRIDE;
+  Standard_EXPORT void Restore(const Handle(TDF_Attribute)& theAttrFrom) Standard_OVERRIDE;
+  Standard_EXPORT void Paste(const Handle(TDF_Attribute)&       theAttrInto,
+                             const Handle(TDF_RelocationTable)& theRT) const Standard_OVERRIDE;
+  Standard_EXPORT Standard_OStream& Dump(Standard_OStream& theOS) const Standard_OVERRIDE;
+
+protected:
+
+  TCollection_ExtendedString    myTitle;    ///< Note title.
+  TCollection_AsciiString       myMIMEtype; ///< MIME type of data.
+  Handle(TColStd_HArray1OfByte) myData;     ///< Byte data array.
+
+};
+
+#endif // _XCAFDoc_NoteBinData_HeaderFile
diff --git a/src/XCAFDoc/XCAFDoc_NoteComment.cxx b/src/XCAFDoc/XCAFDoc_NoteComment.cxx
new file mode 100644
index 0000000000..b88f721bb4
--- /dev/null
+++ b/src/XCAFDoc/XCAFDoc_NoteComment.cxx
@@ -0,0 +1,113 @@
+// Created on: 2017-02-13
+// Created by: Sergey NIKONOV
+// Copyright (c) 2000-2017 OPEN CASCADE SAS
+//
+// This file is part of Open CASCADE Technology software library.
+//
+// This library is free software; you can redistribute it and/or modify it under
+// the terms of the GNU Lesser General Public License version 2.1 as published
+// by the Free Software Foundation, with special exception defined in the file
+// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
+// distribution for complete text of the license and disclaimer of any warranty.
+//
+// Alternatively, this file may be used under the terms of Open CASCADE
+// commercial license or contractual agreement.
+
+#include <Standard_GUID.hxx>
+#include <TDF_Label.hxx>
+#include <XCAFDoc_NoteComment.hxx>
+
+IMPLEMENT_STANDARD_RTTIEXT(XCAFDoc_NoteComment, XCAFDoc_Note)
+
+const Standard_GUID& 
+XCAFDoc_NoteComment::GetID()
+{
+  static Standard_GUID s_ID("FDEA4C52-0F54-484c-B590-579E18F7B5D4");
+  return s_ID;
+}
+
+Handle(XCAFDoc_NoteComment) 
+XCAFDoc_NoteComment::Get(const TDF_Label& theLabel)
+{
+  Handle(XCAFDoc_NoteComment) aThis;
+  theLabel.FindAttribute(XCAFDoc_NoteComment::GetID(), aThis);
+  return aThis;
+}
+
+Handle(XCAFDoc_NoteComment) 
+XCAFDoc_NoteComment::Set(const TDF_Label&                  theLabel,
+                         const TCollection_ExtendedString& theUserName,
+                         const TCollection_ExtendedString& theTimeStamp,
+                         const TCollection_ExtendedString& theComment)
+{
+  Handle(XCAFDoc_NoteComment) aNoteComment;
+  if (!theLabel.IsNull() && !theLabel.FindAttribute(XCAFDoc_NoteComment::GetID(), aNoteComment))
+  {
+    aNoteComment = new XCAFDoc_NoteComment();
+    aNoteComment->XCAFDoc_Note::Set(theUserName, theTimeStamp);
+    aNoteComment->Set(theComment);
+    theLabel.AddAttribute(aNoteComment);
+  }
+  return aNoteComment;
+}
+
+XCAFDoc_NoteComment::XCAFDoc_NoteComment()
+{
+}
+
+void 
+XCAFDoc_NoteComment::Set(const TCollection_ExtendedString& theComment)
+{
+  Backup();
+
+  myComment = theComment;
+}
+
+const TCollection_ExtendedString& 
+XCAFDoc_NoteComment::Comment() const
+{
+  return myComment;
+}
+
+const Standard_GUID& 
+XCAFDoc_NoteComment::ID() const
+{
+  return GetID();
+}
+
+Handle(TDF_Attribute) 
+XCAFDoc_NoteComment::NewEmpty() const
+{
+  return new XCAFDoc_NoteComment();
+}
+
+void 
+XCAFDoc_NoteComment::Restore(const Handle(TDF_Attribute)& theAttr)
+{
+  XCAFDoc_Note::Restore(theAttr);
+
+  Handle(XCAFDoc_NoteComment) aMine = Handle(XCAFDoc_NoteComment)::DownCast(theAttr);
+  if (!aMine.IsNull())
+    myComment = aMine->myComment;
+}
+
+void 
+XCAFDoc_NoteComment::Paste(const Handle(TDF_Attribute)&       theAttrInto,
+                           const Handle(TDF_RelocationTable)& theRT) const
+{
+  XCAFDoc_Note::Paste(theAttrInto, theRT);
+
+  Handle(XCAFDoc_NoteComment) aMine = Handle(XCAFDoc_NoteComment)::DownCast(theAttrInto);
+  if (!aMine.IsNull())
+    aMine->Set(myComment);
+}
+
+Standard_OStream& 
+XCAFDoc_NoteComment::Dump(Standard_OStream& theOS) const
+{
+  XCAFDoc_Note::Dump(theOS);
+  theOS << "\n"
+    << "Comment : " << (!myComment.IsEmpty() ? myComment : "<empty>")
+    ;
+  return theOS;
+}
diff --git a/src/XCAFDoc/XCAFDoc_NoteComment.hxx b/src/XCAFDoc/XCAFDoc_NoteComment.hxx
new file mode 100644
index 0000000000..8232750698
--- /dev/null
+++ b/src/XCAFDoc/XCAFDoc_NoteComment.hxx
@@ -0,0 +1,72 @@
+// Created on: 2017-02-13
+// Created by: Sergey NIKONOV
+// Copyright (c) 2000-2017 OPEN CASCADE SAS
+//
+// This file is part of Open CASCADE Technology software library.
+//
+// This library is free software; you can redistribute it and/or modify it under
+// the terms of the GNU Lesser General Public License version 2.1 as published
+// by the Free Software Foundation, with special exception defined in the file
+// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
+// distribution for complete text of the license and disclaimer of any warranty.
+//
+// Alternatively, this file may be used under the terms of Open CASCADE
+// commercial license or contractual agreement.
+
+#ifndef _XCAFDoc_NoteComment_HeaderFile
+#define _XCAFDoc_NoteComment_HeaderFile
+
+#include <XCAFDoc_Note.hxx>
+
+class XCAFDoc_NoteComment;
+DEFINE_STANDARD_HANDLE(XCAFDoc_NoteComment, XCAFDoc_Note)
+
+//! A comment note attribute.
+//! Contains a textual comment.
+class XCAFDoc_NoteComment : public XCAFDoc_Note
+{
+public:
+
+  DEFINE_STANDARD_RTTIEXT(XCAFDoc_NoteComment, XCAFDoc_Note)
+
+  Standard_EXPORT static const Standard_GUID& GetID();
+
+  //! Finds a reference attribute on the given label and returns it, if it is found
+  Standard_EXPORT static Handle(XCAFDoc_NoteComment) Get(const TDF_Label& theLabel);
+
+  //! Create (if not exist) a comment note on the given label.
+  //! \param [in] theLabel     - note label.
+  //! \param [in] theUserName  - the name of the user, who created the note.
+  //! \param [in] theTimeStamp - creation timestamp of the note.
+  //! \param [in] theComment   - comment text.
+  Standard_EXPORT static Handle(XCAFDoc_NoteComment) Set(const TDF_Label&                  theLabel,
+                                                         const TCollection_ExtendedString& theUserName,
+                                                         const TCollection_ExtendedString& theTimeStamp,
+                                                         const TCollection_ExtendedString& theComment);
+
+  //! Creates an empty comment note.
+  Standard_EXPORT XCAFDoc_NoteComment();
+
+  //! Sets the comment text.
+  Standard_EXPORT void Set(const TCollection_ExtendedString& theComment);
+
+  //! Returns the comment text.
+  Standard_EXPORT const TCollection_ExtendedString& Comment() const;
+
+public:
+
+  // Overrides TDF_Attribute virtuals
+  Standard_EXPORT const Standard_GUID& ID() const Standard_OVERRIDE;
+  Standard_EXPORT Handle(TDF_Attribute) NewEmpty() const Standard_OVERRIDE;
+  Standard_EXPORT void Restore(const Handle(TDF_Attribute)& theAttrFrom) Standard_OVERRIDE;
+  Standard_EXPORT void Paste(const Handle(TDF_Attribute)&       theAttrInto,
+                             const Handle(TDF_RelocationTable)& theRT) const Standard_OVERRIDE;
+  Standard_EXPORT Standard_OStream& Dump(Standard_OStream& theOS) const Standard_OVERRIDE;
+
+protected:
+
+  TCollection_ExtendedString myComment; ///< Comment text.
+
+};
+
+#endif // _XCAFDoc_NoteComment_HeaderFile
diff --git a/src/XCAFDoc/XCAFDoc_NotesTool.cxx b/src/XCAFDoc/XCAFDoc_NotesTool.cxx
new file mode 100644
index 0000000000..96e8674643
--- /dev/null
+++ b/src/XCAFDoc/XCAFDoc_NotesTool.cxx
@@ -0,0 +1,848 @@
+// Created on: 2017-02-10
+// Created by: Sergey NIKONOV
+// Copyright (c) 2000-2017 OPEN CASCADE SAS
+//
+// This file is part of Open CASCADE Technology software library.
+//
+// This library is free software; you can redistribute it and/or modify it under
+// the terms of the GNU Lesser General Public License version 2.1 as published
+// by the Free Software Foundation, with special exception defined in the file
+// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
+// distribution for complete text of the license and disclaimer of any warranty.
+//
+// Alternatively, this file may be used under the terms of Open CASCADE
+// commercial license or contractual agreement.
+
+#include <Standard_GUID.hxx>
+#include <NCollection_Map.hxx>
+#include <TColStd_HArray1OfByte.hxx>
+#include <TDF_Label.hxx>
+#include <TDF_LabelMapHasher.hxx>
+#include <TDF_ChildIDIterator.hxx>
+#include <TDF_LabelSequence.hxx>
+#include <TDF_Tool.hxx>
+#include <XCAFDoc.hxx>
+#include <XCAFDoc_GraphNode.hxx>
+#include <XCAFDoc_NotesTool.hxx>
+#include <XCAFDoc_NoteBalloon.hxx>
+#include <XCAFDoc_NoteComment.hxx>
+#include <XCAFDoc_NoteBinData.hxx>
+#include <XCAFDoc_AssemblyItemRef.hxx>
+
+namespace {
+
+  XCAFDoc_AssemblyItemId labeledItem(const TDF_Label& theLabel)
+  {
+    TCollection_AsciiString anEntry;
+    TDF_Tool::Entry(theLabel, anEntry);
+    return XCAFDoc_AssemblyItemId(anEntry);
+  }
+
+}
+
+IMPLEMENT_STANDARD_RTTIEXT(XCAFDoc_NotesTool, TDF_Attribute)
+
+enum NotesTool_RootLabels
+{
+  NotesTool_NotesRoot = 1,
+  NotesTool_AnnotatedItemsRoot
+};
+
+const Standard_GUID& 
+XCAFDoc_NotesTool::GetID()
+{
+  static Standard_GUID s_ID("8F8174B1-6125-47a0-B357-61BD2D89380C");
+  return s_ID;
+}
+
+Handle(XCAFDoc_NotesTool) 
+XCAFDoc_NotesTool::Set(const TDF_Label& theLabel)
+{
+  Handle(XCAFDoc_NotesTool) aTool;
+  if (!theLabel.IsNull() && !theLabel.FindAttribute(XCAFDoc_NotesTool::GetID(), aTool))
+  {
+    aTool = new XCAFDoc_NotesTool();
+    theLabel.AddAttribute(aTool);
+  }
+  return aTool;
+}
+
+XCAFDoc_NotesTool::XCAFDoc_NotesTool()
+{
+}
+
+TDF_Label 
+XCAFDoc_NotesTool::GetNotesLabel() const
+{
+  return Label().FindChild(NotesTool_NotesRoot);
+}
+
+TDF_Label XCAFDoc_NotesTool::GetAnnotatedItemsLabel() const
+{
+  return Label().FindChild(NotesTool_AnnotatedItemsRoot);
+}
+
+Standard_Integer 
+XCAFDoc_NotesTool::NbNotes() const
+{
+  Standard_Integer nbNotes = 0;
+  for (TDF_ChildIterator anIter(GetNotesLabel()); anIter.More(); anIter.Next())
+  {
+    const TDF_Label aLabel = anIter.Value();
+    if (!XCAFDoc_Note::Get(aLabel).IsNull())
+      ++nbNotes;
+  }
+  return nbNotes;
+}
+
+Standard_Integer 
+XCAFDoc_NotesTool::NbAnnotatedItems() const
+{
+  Standard_Integer nbItems = 0;
+  for (TDF_ChildIDIterator anIter(GetAnnotatedItemsLabel(), XCAFDoc_AssemblyItemRef::GetID()); anIter.More(); anIter.Next())
+  {
+      ++nbItems;
+  }
+  return nbItems;
+}
+
+void 
+XCAFDoc_NotesTool::GetNotes(TDF_LabelSequence& theNoteLabels) const
+{
+  for (TDF_ChildIterator anIter(GetNotesLabel()); anIter.More(); anIter.Next())
+  {
+    const TDF_Label aLabel = anIter.Value();
+    if (!XCAFDoc_Note::Get(aLabel).IsNull())
+      theNoteLabels.Append(aLabel);
+  }
+}
+
+void 
+XCAFDoc_NotesTool::GetAnnotatedItems(TDF_LabelSequence& theItemLabels) const
+{
+  for (TDF_ChildIDIterator anIter(GetAnnotatedItemsLabel(), XCAFDoc_AssemblyItemRef::GetID()); anIter.More(); anIter.Next())
+  {
+    theItemLabels.Append(anIter.Value()->Label());
+  }
+}
+
+Standard_Boolean 
+XCAFDoc_NotesTool::IsAnnotatedItem(const XCAFDoc_AssemblyItemId& theItemId) const
+{
+  return !FindAnnotatedItem(theItemId).IsNull();
+}
+
+Standard_Boolean 
+XCAFDoc_NotesTool::IsAnnotatedItem(const TDF_Label& theItemLabel) const
+{
+  return IsAnnotatedItem(labeledItem(theItemLabel));
+}
+
+TDF_Label 
+XCAFDoc_NotesTool::FindAnnotatedItem(const XCAFDoc_AssemblyItemId& theItemId) const
+{
+  for (TDF_ChildIDIterator anIter(GetAnnotatedItemsLabel(), XCAFDoc_AssemblyItemRef::GetID()); anIter.More(); anIter.Next())
+  {
+    Handle(XCAFDoc_AssemblyItemRef) anItemRef = Handle(XCAFDoc_AssemblyItemRef)::DownCast(anIter.Value());
+    if (!anItemRef.IsNull() && anItemRef->GetItem().IsEqual(theItemId) && !anItemRef->HasExtraRef())
+      return anItemRef->Label();
+  }
+  return TDF_Label();
+}
+
+TDF_Label 
+XCAFDoc_NotesTool::FindAnnotatedItem(const TDF_Label& theItemLabel) const
+{
+  return FindAnnotatedItem(labeledItem(theItemLabel));
+}
+
+TDF_Label 
+XCAFDoc_NotesTool::FindAnnotatedItemAttr(const XCAFDoc_AssemblyItemId& theItemId,
+                                         const Standard_GUID&          theGUID) const
+{
+  for (TDF_ChildIDIterator anIter(GetAnnotatedItemsLabel(), XCAFDoc_AssemblyItemRef::GetID()); anIter.More(); anIter.Next())
+  {
+    Handle(XCAFDoc_AssemblyItemRef) anItemRef = Handle(XCAFDoc_AssemblyItemRef)::DownCast(anIter.Value());
+    if (!anItemRef.IsNull() && anItemRef->GetItem().IsEqual(theItemId) && 
+      anItemRef->HasExtraRef() && anItemRef->GetGUID() == theGUID)
+      return anItemRef->Label();
+  }
+  return TDF_Label();
+}
+
+TDF_Label
+XCAFDoc_NotesTool::FindAnnotatedItemAttr(const TDF_Label&     theItemLabel,
+                                         const Standard_GUID& theGUID) const
+{
+  return FindAnnotatedItemAttr(labeledItem(theItemLabel), theGUID);
+}
+
+TDF_Label 
+XCAFDoc_NotesTool::FindAnnotatedItemSubshape(const XCAFDoc_AssemblyItemId& theItemId,
+                                             Standard_Integer              theSubshapeIndex) const
+{
+  for (TDF_ChildIDIterator anIter(GetAnnotatedItemsLabel(), XCAFDoc_AssemblyItemRef::GetID()); anIter.More(); anIter.Next())
+  {
+    Handle(XCAFDoc_AssemblyItemRef) anItemRef = Handle(XCAFDoc_AssemblyItemRef)::DownCast(anIter.Value());
+    if (!anItemRef.IsNull() && anItemRef->GetItem().IsEqual(theItemId) &&
+      anItemRef->HasExtraRef() && anItemRef->GetSubshapeIndex() == theSubshapeIndex)
+      return anItemRef->Label();
+  }
+  return TDF_Label();
+}
+
+TDF_Label 
+XCAFDoc_NotesTool::FindAnnotatedItemSubshape(const TDF_Label& theItemLabel,
+                                             Standard_Integer theSubshapeIndex) const
+{
+  return FindAnnotatedItemSubshape(labeledItem(theItemLabel), theSubshapeIndex);
+}
+
+Handle(XCAFDoc_Note) 
+XCAFDoc_NotesTool::CreateComment(const TCollection_ExtendedString& theUserName,
+                                 const TCollection_ExtendedString& theTimeStamp,
+                                 const TCollection_ExtendedString& theComment)
+{
+  TDF_Label aNoteLabel;
+  TDF_TagSource aTag;
+  aNoteLabel = aTag.NewChild(GetNotesLabel());
+  return XCAFDoc_NoteComment::Set(aNoteLabel, theUserName, theTimeStamp, theComment);
+}
+
+Handle(XCAFDoc_Note) 
+XCAFDoc_NotesTool::CreateBalloon(const TCollection_ExtendedString& theUserName,
+                                 const TCollection_ExtendedString& theTimeStamp,
+                                 const TCollection_ExtendedString& theComment)
+{
+  TDF_Label aNoteLabel;
+  TDF_TagSource aTag;
+  aNoteLabel = aTag.NewChild(GetNotesLabel());
+  return XCAFDoc_NoteBalloon::Set(aNoteLabel, theUserName, theTimeStamp, theComment);
+}
+
+Handle(XCAFDoc_Note) 
+XCAFDoc_NotesTool::CreateBinData(const TCollection_ExtendedString& theUserName,
+                                 const TCollection_ExtendedString& theTimeStamp,
+                                 const TCollection_ExtendedString& theTitle,
+                                 const TCollection_AsciiString&    theMIMEtype,
+                                 OSD_File&                         theFile)
+{
+  TDF_Label aNoteLabel;
+  TDF_TagSource aTag;
+  aNoteLabel = aTag.NewChild(GetNotesLabel());
+  return XCAFDoc_NoteBinData::Set(aNoteLabel, theUserName, theTimeStamp, theTitle, theMIMEtype, theFile);
+}
+
+Handle(XCAFDoc_Note) 
+XCAFDoc_NotesTool::CreateBinData(const TCollection_ExtendedString&    theUserName,
+                                 const TCollection_ExtendedString&    theTimeStamp,
+                                 const TCollection_ExtendedString&    theTitle,
+                                 const TCollection_AsciiString&       theMIMEtype,
+                                 const Handle(TColStd_HArray1OfByte)& theData)
+{
+  TDF_Label aNoteLabel;
+  TDF_TagSource aTag;
+  aNoteLabel = aTag.NewChild(GetNotesLabel());
+  return XCAFDoc_NoteBinData::Set(aNoteLabel, theUserName, theTimeStamp, theTitle, theMIMEtype, theData);
+}
+
+Standard_Integer
+XCAFDoc_NotesTool::GetNotes(const XCAFDoc_AssemblyItemId& theItemId,
+                            TDF_LabelSequence&            theNoteLabels) const
+{
+  TDF_Label anAnnotatedItem = FindAnnotatedItem(theItemId);
+  if (anAnnotatedItem.IsNull())
+    return 0;
+
+  Handle(XCAFDoc_GraphNode) aChild;
+  if (!anAnnotatedItem.FindAttribute(XCAFDoc::NoteRefGUID(), aChild))
+    return 0;
+
+  Standard_Integer nbFathers = aChild->NbFathers();
+  for (Standard_Integer iFather = 1; iFather <= nbFathers; ++iFather)
+  {
+    Handle(XCAFDoc_GraphNode) aFather = aChild->GetFather(iFather);
+    theNoteLabels.Append(aFather->Label());
+  }
+
+  return theNoteLabels.Length();
+}
+
+Standard_Integer 
+XCAFDoc_NotesTool::GetNotes(const TDF_Label&   theItemLabel,
+                            TDF_LabelSequence& theNoteLabels) const
+{
+  return GetNotes(labeledItem(theItemLabel), theNoteLabels);
+}
+
+Standard_Integer
+XCAFDoc_NotesTool::GetAttrNotes(const XCAFDoc_AssemblyItemId& theItemId,
+                                const Standard_GUID&          theGUID,
+                                TDF_LabelSequence&            theNoteLabels) const
+{
+  TDF_Label anAnnotatedItem = FindAnnotatedItemAttr(theItemId, theGUID);
+  if (anAnnotatedItem.IsNull())
+    return 0;
+
+  Handle(XCAFDoc_GraphNode) aChild;
+  if (!anAnnotatedItem.FindAttribute(XCAFDoc::NoteRefGUID(), aChild))
+    return 0;
+
+  Standard_Integer nbFathers = aChild->NbFathers();
+  for (Standard_Integer iFather = 1; iFather <= nbFathers; ++iFather)
+  {
+    Handle(XCAFDoc_GraphNode) aFather = aChild->GetFather(iFather);
+    theNoteLabels.Append(aFather->Label());
+  }
+
+  return theNoteLabels.Length();
+}
+
+Standard_Integer 
+XCAFDoc_NotesTool::GetAttrNotes(const TDF_Label&     theItemLabel,
+                                const Standard_GUID& theGUID,
+                                TDF_LabelSequence&   theNoteLabels) const
+{
+  return GetAttrNotes(labeledItem(theItemLabel), theGUID, theNoteLabels);
+}
+
+Standard_Integer
+XCAFDoc_NotesTool::GetSubshapeNotes(const XCAFDoc_AssemblyItemId& theItemId,
+                                    Standard_Integer              theSubshapeIndex,
+                                    TDF_LabelSequence&            theNoteLabels) const
+{
+  TDF_Label anAnnotatedItem = FindAnnotatedItemSubshape(theItemId, theSubshapeIndex);
+  if (anAnnotatedItem.IsNull())
+    return 0;
+
+  Handle(XCAFDoc_GraphNode) aChild;
+  if (!anAnnotatedItem.FindAttribute(XCAFDoc::NoteRefGUID(), aChild))
+    return 0;
+
+  Standard_Integer nbFathers = aChild->NbFathers();
+  for (Standard_Integer iFather = 1; iFather <= nbFathers; ++iFather)
+  {
+    Handle(XCAFDoc_GraphNode) aFather = aChild->GetFather(iFather);
+    theNoteLabels.Append(aFather->Label());
+  }
+
+  return theNoteLabels.Length();
+}
+
+Handle(XCAFDoc_AssemblyItemRef)
+XCAFDoc_NotesTool::AddNote(const TDF_Label&              theNoteLabel,
+                           const XCAFDoc_AssemblyItemId& theItemId)
+{
+  Handle(XCAFDoc_AssemblyItemRef) anItemRef;
+
+  if (!XCAFDoc_Note::IsMine(theNoteLabel))
+    return anItemRef;
+
+  Handle(XCAFDoc_GraphNode) aChild;
+  TDF_Label anAnnotatedItem = FindAnnotatedItem(theItemId);
+  if (anAnnotatedItem.IsNull())
+  {
+    TDF_TagSource aTag;
+    anAnnotatedItem = aTag.NewChild(GetAnnotatedItemsLabel());
+    if (anAnnotatedItem.IsNull())
+      return anItemRef;
+  }
+
+  if (!anAnnotatedItem.FindAttribute(XCAFDoc::NoteRefGUID(), aChild))
+  {
+    aChild = XCAFDoc_GraphNode::Set(anAnnotatedItem, XCAFDoc::NoteRefGUID());
+    if (aChild.IsNull())
+      return anItemRef;
+  }
+
+  if (!anAnnotatedItem.FindAttribute(XCAFDoc_AssemblyItemRef::GetID(), anItemRef))
+  {
+    anItemRef = XCAFDoc_AssemblyItemRef::Set(anAnnotatedItem, theItemId);
+    if (anItemRef.IsNull())
+      return anItemRef;
+  }
+
+  Handle(XCAFDoc_GraphNode) aFather;
+  if (!theNoteLabel.FindAttribute(XCAFDoc::NoteRefGUID(), aFather))
+  {
+    aFather = XCAFDoc_GraphNode::Set(theNoteLabel, XCAFDoc::NoteRefGUID());
+    if (aFather.IsNull())
+      return anItemRef;
+  }
+
+  aChild->SetFather(aFather);
+  aFather->SetChild(aChild);
+
+  return anItemRef;
+}
+
+Handle(XCAFDoc_AssemblyItemRef) 
+XCAFDoc_NotesTool::AddNote(const TDF_Label& theNoteLabel,
+                           const TDF_Label& theItemLabel)
+{
+  return AddNote(theNoteLabel, labeledItem(theItemLabel));
+}
+
+Handle(XCAFDoc_AssemblyItemRef) 
+XCAFDoc_NotesTool::AddNoteToAttr(const TDF_Label&              theNoteLabel,
+                                 const XCAFDoc_AssemblyItemId& theItemId,
+                                 const Standard_GUID&          theGUID)
+{
+  Handle(XCAFDoc_AssemblyItemRef) anItemRef;
+
+  if (!XCAFDoc_Note::IsMine(theNoteLabel))
+    return anItemRef;
+
+  Handle(XCAFDoc_GraphNode) aChild;
+  TDF_Label anAnnotatedItem = FindAnnotatedItemAttr(theItemId, theGUID);
+  if (anAnnotatedItem.IsNull())
+  {
+    TDF_TagSource aTag;
+    anAnnotatedItem = aTag.NewChild(GetAnnotatedItemsLabel());
+    if (anAnnotatedItem.IsNull())
+      return anItemRef;
+  }
+
+  if (!anAnnotatedItem.FindAttribute(XCAFDoc::NoteRefGUID(), aChild))
+  {
+    aChild = XCAFDoc_GraphNode::Set(anAnnotatedItem, XCAFDoc::NoteRefGUID());
+    if (aChild.IsNull())
+      return anItemRef;
+  }
+
+  if (!anAnnotatedItem.FindAttribute(XCAFDoc_AssemblyItemRef::GetID(), anItemRef))
+  {
+    anItemRef = XCAFDoc_AssemblyItemRef::Set(anAnnotatedItem, theItemId);
+    if (anItemRef.IsNull())
+      return anItemRef;
+  }
+
+  Handle(XCAFDoc_GraphNode) aFather;
+  if (!theNoteLabel.FindAttribute(XCAFDoc::NoteRefGUID(), aFather))
+  {
+    aFather = XCAFDoc_GraphNode::Set(theNoteLabel, XCAFDoc::NoteRefGUID());
+    if (aFather.IsNull())
+      return anItemRef;
+  }
+
+  aChild->SetFather(aFather);
+  aFather->SetChild(aChild);
+
+  anItemRef->SetGUID(theGUID);
+
+  return anItemRef;
+}
+
+Handle(XCAFDoc_AssemblyItemRef) 
+XCAFDoc_NotesTool::AddNoteToAttr(const TDF_Label&     theNoteLabel,
+                                 const TDF_Label&     theItemLabel,
+                                 const Standard_GUID& theGUID)
+{
+  return AddNoteToAttr(theNoteLabel, labeledItem(theItemLabel), theGUID);
+}
+
+Handle(XCAFDoc_AssemblyItemRef) 
+XCAFDoc_NotesTool::AddNoteToSubshape(const TDF_Label&              theNoteLabel,
+                                     const XCAFDoc_AssemblyItemId& theItemId,
+                                     Standard_Integer              theSubshapeIndex)
+{
+  Handle(XCAFDoc_AssemblyItemRef) anItemRef;
+
+  if (!XCAFDoc_Note::IsMine(theNoteLabel))
+    return anItemRef;
+
+  Handle(XCAFDoc_GraphNode) aChild;
+  TDF_Label anAnnotatedItem = FindAnnotatedItemSubshape(theItemId, theSubshapeIndex);
+  if (anAnnotatedItem.IsNull())
+  {
+    TDF_TagSource aTag;
+    anAnnotatedItem = aTag.NewChild(GetAnnotatedItemsLabel());
+    if (anAnnotatedItem.IsNull())
+      return anItemRef;
+  }
+
+  if (!anAnnotatedItem.FindAttribute(XCAFDoc::NoteRefGUID(), aChild))
+  {
+    aChild = XCAFDoc_GraphNode::Set(anAnnotatedItem, XCAFDoc::NoteRefGUID());
+    if (aChild.IsNull())
+      return anItemRef;
+  }
+
+  if (!anAnnotatedItem.FindAttribute(XCAFDoc_AssemblyItemRef::GetID(), anItemRef))
+  {
+    anItemRef = XCAFDoc_AssemblyItemRef::Set(anAnnotatedItem, theItemId);
+    if (anItemRef.IsNull())
+      return anItemRef;
+  }
+
+  Handle(XCAFDoc_GraphNode) aFather;
+  if (!theNoteLabel.FindAttribute(XCAFDoc::NoteRefGUID(), aFather))
+  {
+    aFather = XCAFDoc_GraphNode::Set(theNoteLabel, XCAFDoc::NoteRefGUID());
+    if (aFather.IsNull())
+      return anItemRef;
+  }
+
+  aChild->SetFather(aFather);
+  aFather->SetChild(aChild);
+
+  anItemRef->SetSubshapeIndex(theSubshapeIndex);
+
+  return anItemRef;
+}
+
+Handle(XCAFDoc_AssemblyItemRef) 
+XCAFDoc_NotesTool::AddNoteToSubshape(const TDF_Label& theNoteLabel,
+                                     const TDF_Label& theItemLabel,
+                                     Standard_Integer theSubshapeIndex)
+{
+  return AddNoteToSubshape(theNoteLabel, labeledItem(theItemLabel), theSubshapeIndex);
+}
+
+Standard_Boolean 
+XCAFDoc_NotesTool::RemoveNote(const TDF_Label&              theNoteLabel,
+                              const XCAFDoc_AssemblyItemId& theItemId,
+                              Standard_Boolean              theDelIfOrphan)
+{
+  Handle(XCAFDoc_Note) aNote = XCAFDoc_Note::Get(theNoteLabel);
+
+  if (aNote.IsNull())
+    return Standard_False;
+
+  Handle(XCAFDoc_GraphNode) aFather;
+  if (!theNoteLabel.FindAttribute(XCAFDoc::NoteRefGUID(), aFather))
+    return Standard_False;
+
+  TDF_Label anAnnotatedItem = FindAnnotatedItem(theItemId);
+  if (anAnnotatedItem.IsNull())
+    return Standard_False;
+
+  Handle(XCAFDoc_GraphNode) aChild;
+  if (!anAnnotatedItem.FindAttribute(XCAFDoc::NoteRefGUID(), aChild))
+    return Standard_False;
+
+  aChild->UnSetFather(aFather);
+  if (aChild->NbFathers() == 0)
+    anAnnotatedItem.ForgetAllAttributes();
+
+  if (theDelIfOrphan && aNote->IsOrphan())
+    DeleteNote(theNoteLabel);
+  
+  return Standard_True;
+}
+
+Standard_Boolean 
+XCAFDoc_NotesTool::RemoveNote(const TDF_Label& theNoteLabel,
+                              const TDF_Label& theItemLabel,
+                              Standard_Boolean theDelIfOrphan)
+{
+  return RemoveNote(theNoteLabel, labeledItem(theItemLabel), theDelIfOrphan);
+}
+
+Standard_Boolean 
+XCAFDoc_NotesTool::RemoveSubshapeNote(const TDF_Label&              theNoteLabel,
+                                      const XCAFDoc_AssemblyItemId& theItemId,
+                                      Standard_Integer              theSubshapeIndex,
+                                      Standard_Boolean              theDelIfOrphan)
+{
+  Handle(XCAFDoc_Note) aNote = XCAFDoc_Note::Get(theNoteLabel);
+
+  if (aNote.IsNull())
+    return Standard_False;
+
+  Handle(XCAFDoc_GraphNode) aFather;
+  if (!theNoteLabel.FindAttribute(XCAFDoc::NoteRefGUID(), aFather))
+    return Standard_False;
+
+  TDF_Label anAnnotatedItem = FindAnnotatedItemSubshape(theItemId, theSubshapeIndex);
+  if (anAnnotatedItem.IsNull())
+    return Standard_False;
+
+  Handle(XCAFDoc_GraphNode) aChild;
+  if (!anAnnotatedItem.FindAttribute(XCAFDoc::NoteRefGUID(), aChild))
+    return Standard_False;
+
+  aChild->UnSetFather(aFather);
+  if (aChild->NbFathers() == 0)
+    anAnnotatedItem.ForgetAllAttributes();
+
+  if (theDelIfOrphan && aNote->IsOrphan())
+    DeleteNote(theNoteLabel);
+
+  return Standard_True;
+}
+
+Standard_Boolean 
+XCAFDoc_NotesTool::RemoveSubshapeNote(const TDF_Label& theNoteLabel,
+                                      const TDF_Label& theItemLabel,
+                                      Standard_Integer theSubshapeIndex,
+                                      Standard_Boolean theDelIfOrphan)
+{
+  return RemoveSubshapeNote(theNoteLabel, labeledItem(theItemLabel), theSubshapeIndex, theDelIfOrphan);
+}
+
+Standard_Boolean 
+XCAFDoc_NotesTool::RemoveAttrNote(const TDF_Label&              theNoteLabel,
+                                  const XCAFDoc_AssemblyItemId& theItemId,
+                                  const Standard_GUID&          theGUID,
+                                  Standard_Boolean              theDelIfOrphan)
+{
+  Handle(XCAFDoc_Note) aNote = XCAFDoc_Note::Get(theNoteLabel);
+
+  if (aNote.IsNull())
+    return Standard_False;
+
+  Handle(XCAFDoc_GraphNode) aFather;
+  if (!theNoteLabel.FindAttribute(XCAFDoc::NoteRefGUID(), aFather))
+    return Standard_False;
+
+  TDF_Label anAnnotatedItem = FindAnnotatedItemAttr(theItemId, theGUID);
+  if (anAnnotatedItem.IsNull())
+    return Standard_False;
+
+  Handle(XCAFDoc_GraphNode) aChild;
+  if (!anAnnotatedItem.FindAttribute(XCAFDoc::NoteRefGUID(), aChild))
+    return Standard_False;
+
+  aChild->UnSetFather(aFather);
+  if (aChild->NbFathers() == 0)
+    anAnnotatedItem.ForgetAllAttributes();
+
+  if (theDelIfOrphan && aNote->IsOrphan())
+    DeleteNote(theNoteLabel);
+
+  return Standard_True;
+}
+
+Standard_Boolean 
+XCAFDoc_NotesTool::RemoveAttrNote(const TDF_Label&     theNoteLabel,
+                                  const TDF_Label&     theItemLabel,
+                                  const Standard_GUID& theGUID,
+                                  Standard_Boolean     theDelIfOrphan)
+{
+  return RemoveAttrNote(theNoteLabel, labeledItem(theItemLabel), theGUID, theDelIfOrphan);
+}
+
+Standard_Boolean 
+XCAFDoc_NotesTool::RemoveAllNotes(const XCAFDoc_AssemblyItemId& theItemId,
+                                  Standard_Boolean              theDelIfOrphan)
+{
+  TDF_Label anAnnotatedItem = FindAnnotatedItem(theItemId);
+  if (anAnnotatedItem.IsNull())
+    return Standard_False;
+
+  Handle(XCAFDoc_GraphNode) aChild;
+  if (!anAnnotatedItem.FindAttribute(XCAFDoc::NoteRefGUID(), aChild))
+    return Standard_False;
+
+  while (aChild->NbFathers() > 0)
+  {
+    Handle(XCAFDoc_GraphNode) aFather = aChild->GetFather(1);
+    Handle(XCAFDoc_Note) aNote = XCAFDoc_Note::Get(aFather->Label());
+    if (!aNote.IsNull())
+    {
+      aFather->UnSetChild(aChild);
+      if (theDelIfOrphan && aNote->IsOrphan())
+        DeleteNote(aFather->Label());
+    }
+  }
+
+  anAnnotatedItem.ForgetAllAttributes();
+
+  return Standard_True;
+}
+
+Standard_Boolean 
+XCAFDoc_NotesTool::RemoveAllNotes(const TDF_Label& theItemLabel,
+                                  Standard_Boolean theDelIfOrphan)
+{
+  return RemoveAllNotes(labeledItem(theItemLabel), theDelIfOrphan);
+}
+
+Standard_Boolean 
+XCAFDoc_NotesTool::RemoveAllSubshapeNotes(const XCAFDoc_AssemblyItemId& theItemId,
+                                          Standard_Integer              theSubshapeIndex,
+                                          Standard_Boolean              theDelIfOrphan)
+{
+  TDF_Label anAnnotatedItem = FindAnnotatedItemSubshape(theItemId, theSubshapeIndex);
+  if (anAnnotatedItem.IsNull())
+    return Standard_False;
+
+  Handle(XCAFDoc_GraphNode) aChild;
+  if (!anAnnotatedItem.FindAttribute(XCAFDoc::NoteRefGUID(), aChild))
+    return Standard_False;
+
+  while (aChild->NbFathers() > 0)
+  {
+    Handle(XCAFDoc_GraphNode) aFather = aChild->GetFather(1);
+    Handle(XCAFDoc_Note) aNote = XCAFDoc_Note::Get(aFather->Label());
+    if (!aNote.IsNull())
+    {
+      aFather->UnSetChild(aChild);
+      if (theDelIfOrphan && aNote->IsOrphan())
+        DeleteNote(aFather->Label());
+    }
+  }
+
+  anAnnotatedItem.ForgetAllAttributes();
+
+  return Standard_True;
+}
+
+Standard_Boolean 
+XCAFDoc_NotesTool::RemoveAllAttrNotes(const XCAFDoc_AssemblyItemId& theItemId,
+                                      const Standard_GUID&          theGUID,
+                                      Standard_Boolean              theDelIfOrphan)
+{
+  TDF_Label anAnnotatedItem = FindAnnotatedItemAttr(theItemId, theGUID);
+  if (anAnnotatedItem.IsNull())
+    return Standard_False;
+
+  Handle(XCAFDoc_GraphNode) aChild;
+  if (!anAnnotatedItem.FindAttribute(XCAFDoc::NoteRefGUID(), aChild))
+    return Standard_False;
+
+  while (aChild->NbFathers() > 0)
+  {
+    Handle(XCAFDoc_GraphNode) aFather = aChild->GetFather(1);
+    Handle(XCAFDoc_Note) aNote = XCAFDoc_Note::Get(aFather->Label());
+    if (!aNote.IsNull())
+    {
+      aFather->UnSetChild(aChild);
+      if (theDelIfOrphan && aNote->IsOrphan())
+        DeleteNote(aFather->Label());
+    }
+  }
+
+  anAnnotatedItem.ForgetAllAttributes();
+
+  return Standard_True;
+}
+
+Standard_Boolean 
+XCAFDoc_NotesTool::RemoveAllAttrNotes(const TDF_Label&     theItemLabel,
+                                      const Standard_GUID& theGUID,
+                                      Standard_Boolean     theDelIfOrphan)
+{
+  return RemoveAllAttrNotes(labeledItem(theItemLabel), theGUID, theDelIfOrphan);
+}
+
+Standard_Boolean 
+XCAFDoc_NotesTool::DeleteNote(const TDF_Label& theNoteLabel)
+{
+  Handle(XCAFDoc_Note) aNote = XCAFDoc_Note::Get(theNoteLabel);
+  if (!aNote.IsNull())
+  {
+    Handle(XCAFDoc_GraphNode) aFather;
+    if (theNoteLabel.FindAttribute(XCAFDoc::NoteRefGUID(), aFather) && !aFather.IsNull())
+    {
+      while (aFather->NbChildren() > 0)
+      {
+        Handle(XCAFDoc_GraphNode) aChild = aFather->GetChild(1);
+        aFather->UnSetChild(aChild);
+        if (aChild->NbFathers() == 0)
+          aChild->Label().ForgetAllAttributes(Standard_True);
+      }
+    }
+    theNoteLabel.ForgetAllAttributes(Standard_True);
+    return Standard_True;
+  }
+  return Standard_False;
+}
+
+Standard_Integer 
+XCAFDoc_NotesTool::DeleteNotes(TDF_LabelSequence& theNoteLabels)
+{
+  Standard_Integer nbNotes = 0;
+  for (TDF_LabelSequence::Iterator anIter(theNoteLabels); anIter.More(); anIter.Next())
+  {
+    if (DeleteNote(anIter.Value()))
+      ++nbNotes;
+  }
+  return nbNotes;
+}
+
+Standard_Integer 
+XCAFDoc_NotesTool::DeleteAllNotes()
+{
+  Standard_Integer nbNotes = 0;
+  for (TDF_ChildIterator anIter(GetNotesLabel()); anIter.More(); anIter.Next())
+  {
+    if (DeleteNote(anIter.Value()))
+      ++nbNotes;
+  }
+  return nbNotes;
+}
+
+Standard_Integer 
+XCAFDoc_NotesTool::NbOrphanNotes() const
+{
+  Standard_Integer nbNotes = 0;
+  for (TDF_ChildIterator anIter(GetNotesLabel()); anIter.More(); anIter.Next())
+  {
+    const TDF_Label aLabel = anIter.Value();
+    Handle(XCAFDoc_Note) aNote = XCAFDoc_Note::Get(aLabel);
+    if (!aNote.IsNull() && aNote->IsOrphan())
+      ++nbNotes;
+  }
+  return nbNotes;
+}
+
+void 
+XCAFDoc_NotesTool::GetOrphanNotes(TDF_LabelSequence& theNoteLabels) const
+{
+  for (TDF_ChildIterator anIter(GetNotesLabel()); anIter.More(); anIter.Next())
+  {
+    const TDF_Label aLabel = anIter.Value();
+    Handle(XCAFDoc_Note) aNote = XCAFDoc_Note::Get(aLabel);
+    if (!aNote.IsNull() && aNote->IsOrphan())
+      theNoteLabels.Append(aLabel);
+  }
+}
+
+Standard_Integer 
+XCAFDoc_NotesTool::DeleteOrphanNotes()
+{
+  Standard_Integer nbNotes = 0;
+  for (TDF_ChildIterator anIter(GetNotesLabel()); anIter.More(); anIter.Next())
+  {
+    const TDF_Label aLabel = anIter.Value();
+    Handle(XCAFDoc_Note) aNote = XCAFDoc_Note::Get(aLabel);
+    if (!aNote.IsNull() && aNote->IsOrphan() && DeleteNote(aLabel))
+      ++nbNotes;
+  }
+  return nbNotes;
+}
+
+const Standard_GUID& 
+XCAFDoc_NotesTool::ID() const
+{
+  return GetID();
+}
+
+Handle(TDF_Attribute) 
+XCAFDoc_NotesTool::NewEmpty() const
+{
+  return new XCAFDoc_NotesTool();
+}
+
+void 
+XCAFDoc_NotesTool::Restore(const Handle(TDF_Attribute)& /*theAttr*/)
+{
+}
+
+void 
+XCAFDoc_NotesTool::Paste(const Handle(TDF_Attribute)&       /*theAttrInto*/,
+                         const Handle(TDF_RelocationTable)& /*theRT*/) const
+{
+}
+
+Standard_OStream& 
+XCAFDoc_NotesTool::Dump(Standard_OStream& theOS) const
+{
+  theOS
+    << "Notes           : " << NbNotes() << "\n"
+    << "Annotated items : " << NbAnnotatedItems() << "\n"
+    ;
+  return theOS;
+}
diff --git a/src/XCAFDoc/XCAFDoc_NotesTool.hxx b/src/XCAFDoc/XCAFDoc_NotesTool.hxx
new file mode 100644
index 0000000000..b3cf26beeb
--- /dev/null
+++ b/src/XCAFDoc/XCAFDoc_NotesTool.hxx
@@ -0,0 +1,519 @@
+// Created on: 2017-02-10
+// Created by: Sergey NIKONOV
+// Copyright (c) 2000-2017 OPEN CASCADE SAS
+//
+// This file is part of Open CASCADE Technology software library.
+//
+// This library is free software; you can redistribute it and/or modify it under
+// the terms of the GNU Lesser General Public License version 2.1 as published
+// by the Free Software Foundation, with special exception defined in the file
+// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
+// distribution for complete text of the license and disclaimer of any warranty.
+//
+// Alternatively, this file may be used under the terms of Open CASCADE
+// commercial license or contractual agreement.
+
+#ifndef _XCAFDoc_NotesTool_HeaderFile
+#define _XCAFDoc_NotesTool_HeaderFile
+
+#include <Standard.hxx>
+#include <Standard_Type.hxx>
+#include <TDF_Attribute.hxx>
+#include <TDF_LabelSequence.hxx>
+
+class OSD_File;
+class Standard_GUID;
+class TCollection_AsciiString;
+class TCollection_ExtendedString;
+class TColStd_HArray1OfByte;
+class TDF_RelocationTable;
+class XCAFDoc_Note;
+class XCAFDoc_AssemblyItemId;
+class XCAFDoc_AssemblyItemRef;
+
+class XCAFDoc_NotesTool;
+DEFINE_STANDARD_HANDLE(XCAFDoc_NotesTool, TDF_Attribute)
+
+//! A tool to annotate items in the hierarchical product structure.
+//! There are two basic entities, which operates the notes tool: notes
+//! and annotated items. A note is a user defined data structure derived
+//! from \ref XCAFDoc_Note attribute that is attached to a separate label under
+//! the notes hive. An annotated item is represented by \ref XCAFDoc_AssemblyItemRef
+//! attribute attached to a separate label under the annotated items
+//! hive. Notes are linked with annotated items by means of \ref XCAFDoc_GraphNode
+//! attribute. Notes play parent roles and annotated items - child roles.
+//!
+//! ------------------------
+//! | XCAFDoc_DocumentTool |
+//! |          0:1         |
+//! ------------------------
+//!             |1
+//! ------------------------
+//! |  XCAFDoc_NotesTool   |
+//! |         0:1:9        |
+//! ------------------------
+//!             |1
+//!             |   -------------------     ---------------------------
+//!             +___|      Notes      |-----|       XCAFDoc_Note      |
+//!             |  1|     0:1:9:1     |1   *|         0:1:9:1:*       |
+//!             |   -------------------     ---------------------------
+//!             |                                        !*
+//!             |                              { XCAFDoc_GraphNode }
+//!             |                                       *!
+//!             |   -------------------     ---------------------------
+//!             +___| Annotated items |-----| XCAFDoc_AssemblyItemRef |
+//!                1|     0:1:9:2     |1   *|         0:1:9:2:*       |
+//!                 -------------------     ---------------------------
+//!
+//! A typical annotation procedure is illustrated by the code example below:
+//! \code{.c++}
+//! // Get the notes tool from a XCAF document
+//! Handle(XCAFDoc_NotesTool) aNotesTool = XCAFDoc_DocumentTool::NotesTool(aDoc->Main());
+//! // Create new comment note
+//! Handle(XCAFDoc_Note) aNote = aNotesTool->CreateComment(aUserName, aTimestamp, aComment);
+//! if (!aNote.IsNull()) {
+//!   Handle(XCAFDoc_AssemblyItemRef) aRef = aNotesTool->AddNote(aNote->Label(), anAssemblyItemId);
+//!   if (aRef.IsNull()) {
+//!     // Process error...
+//!   }
+//! }
+//! \endcode
+class XCAFDoc_NotesTool : public TDF_Attribute
+{
+public:
+
+  DEFINE_STANDARD_RTTIEXT(XCAFDoc_NotesTool, TDF_Attribute)
+
+  Standard_EXPORT static const Standard_GUID& GetID();
+
+  //! Create (if not exist) a notes tool from XCAFDoc on theLabel.
+  Standard_EXPORT static Handle(XCAFDoc_NotesTool) Set(const TDF_Label& theLabel);
+
+  //! Creates an empty notes tool.
+  Standard_EXPORT XCAFDoc_NotesTool();
+
+  //! Returns the label of the notes hive.
+  Standard_EXPORT TDF_Label GetNotesLabel() const;
+
+  //! Returns the label of the annotated items hive.
+  Standard_EXPORT TDF_Label GetAnnotatedItemsLabel() const;
+
+  //! Returns the number of labels in the notes hive.
+  Standard_EXPORT Standard_Integer NbNotes() const;
+
+  //! Returns the number of labels in the annotated items hive.
+  Standard_EXPORT Standard_Integer NbAnnotatedItems() const;
+
+  //! Returns all labels from the notes hive.
+  //! The label sequence isn't cleared beforehand.
+  //! \param [out] theNoteLabels - sequence of labels.
+  Standard_EXPORT void GetNotes(TDF_LabelSequence& theNoteLabels) const;
+
+  //! Returns all labels from the annotated items hive.
+  //! The label sequence isn't cleared beforehand.
+  //! \param [out] theNoteLabels - sequence of labels.
+  Standard_EXPORT void GetAnnotatedItems(TDF_LabelSequence& theLabels) const;
+
+  //! Checks if the given assembly item is annotated.
+  //! \param [in] theItemId - assembly item ID.
+  //! \return true if the item is annotated, otherwise - false.
+  Standard_EXPORT Standard_Boolean IsAnnotatedItem(const XCAFDoc_AssemblyItemId& theItemId) const;
+
+  //! Checks if the given labeled item is annotated.
+  //! \param [in] theItemLabel - item label.
+  //! \return true if the item is annotated, otherwise - false.
+  Standard_EXPORT Standard_Boolean IsAnnotatedItem(const TDF_Label& theItemLabel) const;
+
+  //! @name Find annotated item functions
+  //! @{
+
+  //! Finds a label of the given assembly item ID in the annotated items hive.
+  //! \param [in] theItemId - assembly item ID.
+  //! \return annotated item label if it is found, otherwise - null label.
+  Standard_EXPORT TDF_Label FindAnnotatedItem(const XCAFDoc_AssemblyItemId& theItemId) const;
+
+  //! Finds a label of the given labeled item in the annotated items hive.
+  //! \param [in] theItemLabel - item label.
+  //! \return annotated item label if it is found, otherwise - null label.
+  Standard_EXPORT TDF_Label FindAnnotatedItem(const TDF_Label& theItemLabel) const;
+
+  //! Finds a label of the given assembly item's attribute in the annotated items hive.
+  //! \param [in] theItemId - assembly item ID.
+  //! \param [in] theGUID   - assembly item's attribute GUID.
+  //! \return annotated item label if it is found, otherwise - null label.
+  Standard_EXPORT TDF_Label FindAnnotatedItemAttr(const XCAFDoc_AssemblyItemId& theItemId,
+                                                  const Standard_GUID&          theGUID) const;
+
+  //! Finds a label of the given labeled item's attribute in the annotated items hive.
+  //! \param [in] theItemLabel - item label.
+  //! \param [in] theGUID      - item's attribute GUID.
+  //! \return annotated item label if it is found, otherwise - null label.
+  Standard_EXPORT TDF_Label FindAnnotatedItemAttr(const TDF_Label&     theItemLabel,
+                                                  const Standard_GUID& theGUID) const;
+
+  //! Finds a label of the given assembly item's subshape in the annotated items hive.
+  //! \param [in] theItemId        - assembly item ID.
+  //! \param [in] theSubshapeIndex - assembly item's subshape index.
+  //! \return annotated item label if it is found, otherwise - null label.
+  Standard_EXPORT TDF_Label FindAnnotatedItemSubshape(const XCAFDoc_AssemblyItemId& theItemId,
+                                                      Standard_Integer              theSubshapeIndex) const;
+
+  //! Finds a label of the given labeled item's subshape in the annotated items hive.
+  //! \param [in] theItemLabel     - item label.
+  //! \param [in] theSubshapeIndex - labeled item's subshape index.
+  //! \return annotated item label if it is found, otherwise - null label.
+  Standard_EXPORT TDF_Label FindAnnotatedItemSubshape(const TDF_Label& theItemLabel,
+                                                      Standard_Integer theSubshapeIndex) const;
+
+  //! @}
+
+  //! @name Note creation functions
+  //! @{
+
+  //! Create a new comment note.
+  //! Creates a new label under the notes hive and attaches \ref XCAFDoc_NoteComment 
+  //! attribute (derived ftom \ref XCAFDoc_Note).
+  //! \param [in] theUserName  - the user associated with the note.
+  //! \param [in] theTimeStamp - timestamp of the note.
+  //! \param [in] theComment   - textual comment.
+  //! \return a handle to the base note attribute.
+  Standard_EXPORT Handle(XCAFDoc_Note) CreateComment(const TCollection_ExtendedString& theUserName,
+                                                     const TCollection_ExtendedString& theTimeStamp,
+                                                     const TCollection_ExtendedString& theComment);
+
+  //! Create a new 'balloon' note.
+  //! Creates a new label under the notes hive and attaches \ref XCAFDoc_NoteBalloon 
+  //! attribute (derived ftom \ref XCAFDoc_Note).
+  //! \param [in] theUserName  - the user associated with the note.
+  //! \param [in] theTimeStamp - timestamp of the note.
+  //! \param [in] theComment   - textual comment.
+  //! \return a handle to the base note attribute.
+  Standard_EXPORT Handle(XCAFDoc_Note) CreateBalloon(const TCollection_ExtendedString& theUserName,
+                                                     const TCollection_ExtendedString& theTimeStamp,
+                                                     const TCollection_ExtendedString& theComment);
+
+  //! Create a new note with data loaded from a binary file.
+  //! Creates a new label under the notes hive and attaches \ref XCAFDoc_NoteComment 
+  //! attribute (derived ftom \ref XCAFDoc_Note).
+  //! \param [in] theUserName  - the user associated with the note.
+  //! \param [in] theTimeStamp - timestamp of the note.
+  //! \param [in] theTitle     - file title.
+  //! \param [in] theMIMEtype  - MIME type of the file.
+  //! \param [in] theFile      - input binary file.
+  //! \return a handle to the base note attribute.
+  Standard_EXPORT Handle(XCAFDoc_Note) CreateBinData(const TCollection_ExtendedString& theUserName,
+                                                     const TCollection_ExtendedString& theTimeStamp,
+                                                     const TCollection_ExtendedString& theTitle,
+                                                     const TCollection_AsciiString&    theMIMEtype,
+                                                     OSD_File&                         theFile);
+
+  //! Create a new note with data loaded from a byte data array.
+  //! Creates a new label under the notes hive and attaches \ref XCAFDoc_NoteComment 
+  //! attribute (derived ftom \ref XCAFDoc_Note).
+  //! \param [in] theUserName  - the user associated with the note.
+  //! \param [in] theTimeStamp - timestamp of the note.
+  //! \param [in] theTitle     - data title.
+  //! \param [in] theMIMEtype  - MIME type of the file.
+  //! \param [in] theData      - byte data array.
+  //! \return a handle to the base note attribute.
+  Standard_EXPORT Handle(XCAFDoc_Note) CreateBinData(const TCollection_ExtendedString&    theUserName,
+                                                     const TCollection_ExtendedString&    theTimeStamp,
+                                                     const TCollection_ExtendedString&    theTitle,
+                                                     const TCollection_AsciiString&       theMIMEtype,
+                                                     const Handle(TColStd_HArray1OfByte)& theData);
+
+  //! @}
+
+  //! @name Get notes from annotated items functions
+  //! @{
+
+  //! Gets all note labels of the assembly item.
+  //! Notes linked to item's subshapes or attributes aren't
+  //! taken into account. The label sequence isn't cleared beforehand.
+  //! \param [in] theItemId      - assembly item ID.
+  //! \param [out] theNoteLabels - sequence of labels.
+  //! \return number of added labels.
+  Standard_EXPORT Standard_Integer GetNotes(const XCAFDoc_AssemblyItemId& theItemId,
+                                            TDF_LabelSequence&            theNoteLabels) const;
+
+  //! Gets all note labels of the labeled item.
+  //! Notes linked to item's attributes aren't
+  //! taken into account. The label sequence isn't cleared beforehand.
+  //! \param [in] theItemLabel   - item label.
+  //! \param [out] theNoteLabels - sequence of labels.
+  //! \return number of added labels.
+  Standard_EXPORT Standard_Integer GetNotes(const TDF_Label&   theItemLabel,
+                                            TDF_LabelSequence& theNoteLabels) const;
+
+  //! Gets all note labels of the assembly item's attribute.
+  //! Notes linked to the item itself or to item's subshapes
+  //! aren't taken into account. The label sequence isn't cleared beforehand.
+  //! \param [in] theItemId      - assembly item ID.
+  //! \param [in] theGUID        - assembly item's attribute GUID.
+  //! \param [out] theNoteLabels - sequence of labels.
+  //! \return number of added labels.
+  Standard_EXPORT Standard_Integer GetAttrNotes(const XCAFDoc_AssemblyItemId& theItemId,
+                                                const Standard_GUID&          theGUID,
+                                                TDF_LabelSequence&            theNoteLabels) const;
+
+  //! Gets all note labels of the labeled item's attribute.
+  //! Notes linked to the item itself or to item's subshapes
+  //! aren't taken into account. The label sequence isn't cleared beforehand.
+  //! \param [in] theItemLabel   - item label.
+  //! \param [in] theGUID        - item's attribute GUID.
+  //! \param [out] theNoteLabels - sequence of labels.
+  //! \return number of added labels.
+  Standard_EXPORT Standard_Integer GetAttrNotes(const TDF_Label&     theItemLabel,
+                                                const Standard_GUID& theGUID,
+                                                TDF_LabelSequence&   theNoteLabels) const;
+
+  //! Gets all note labels of the annotated item.
+  //! Notes linked to the item itself or to item's attributes
+  //! taken into account. The label sequence isn't cleared beforehand.
+  //! \param [in] theItemId        - assembly item ID.
+  //! \param [in] theSubshapeIndex - assembly item's subshape index.
+  //! \param [out] theNoteLabels   - sequence of labels.
+  //! \return number of added labels.
+  Standard_EXPORT Standard_Integer GetSubshapeNotes(const XCAFDoc_AssemblyItemId& theItemId,
+                                                    Standard_Integer              theSubshapeIndex,
+                                                    TDF_LabelSequence&            theNoteLabels) const;
+
+  //! @}
+
+  //! @name Annotation functions
+  //! @{
+
+  //! Adds the given note to the assembly item.
+  //! \param [in] theNoteLabel - note label.
+  //! \param [in] theItemId    - assembly item ID.
+  //! \return a handle to the assembly reference attribute.
+  Standard_EXPORT Handle(XCAFDoc_AssemblyItemRef) AddNote(const TDF_Label&              theNoteLabel,
+                                                          const XCAFDoc_AssemblyItemId& theItemId);
+
+  //! Adds the given note to the labeled item.
+  //! \param [in] theNoteLabel - note label.
+  //! \param [in] theItemLabel - item label.
+  //! \return a handle to the assembly reference attribute.
+  Standard_EXPORT Handle(XCAFDoc_AssemblyItemRef) AddNote(const TDF_Label& theNoteLabel,
+                                                          const TDF_Label& theItemLabel);
+
+  //! Adds the given note to the assembly item's attribute.
+  //! \param [in] theNoteLabel - note label.
+  //! \param [in] theItemId    - assembly item ID.
+  //! \param [in] theGUID      - assembly item's attribute GUID.
+  //! \return a handle to the assembly reference attribute.
+  Standard_EXPORT Handle(XCAFDoc_AssemblyItemRef) AddNoteToAttr(const TDF_Label&              theNoteLabel,
+                                                                const XCAFDoc_AssemblyItemId& theItemId,
+                                                                const Standard_GUID&          theGUID);
+
+  //! Adds the given note to the labeled item's attribute.
+  //! \param [in] theNoteLabel - note label.
+  //! \param [in] theItemLabel - item label.
+  //! \param [in] theGUID      - assembly item's attribute GUID.
+  //! \return a handle to the assembly reference attribute.
+  Standard_EXPORT Handle(XCAFDoc_AssemblyItemRef) AddNoteToAttr(const TDF_Label&     theNoteLabel,
+                                                                const TDF_Label&     theItemLabel,
+                                                                const Standard_GUID& theGUID);
+
+  //! Adds the given note to the assembly item's subshape.
+  //! \param [in] theNoteLabel     - note label.
+  //! \param [in] theItemId        - assembly item ID.
+  //! \param [in] theSubshapeIndex - assembly item's subshape index.
+  //! \return a handle to the assembly reference attribute.
+  Standard_EXPORT Handle(XCAFDoc_AssemblyItemRef) AddNoteToSubshape(const TDF_Label&              theNoteLabel,
+                                                                    const XCAFDoc_AssemblyItemId& theItemId,
+                                                                    Standard_Integer              theSubshapeIndex);
+
+  //! Adds the given note to the labeled item's subshape.
+  //! \param [in] theNoteLabel     - note label.
+  //! \param [in] theItemLabel     - item label.
+  //! \param [in] theSubshapeIndex - assembly item's subshape index.
+  //! \return a handle to the assembly reference attribute.
+  Standard_EXPORT Handle(XCAFDoc_AssemblyItemRef) AddNoteToSubshape(const TDF_Label& theNoteLabel,
+                                                                    const TDF_Label& theItemLabel,
+                                                                    Standard_Integer theSubshapeIndex);
+
+  //! @}
+
+  //! @name Remove annotation functions
+  //! @{
+
+  //! Removes the given note from the assembly item.
+  //! \param [in] theNoteLabel   - note label.
+  //! \param [in] theItemId      - assembly item ID.
+  //! \param [in] theDelIfOrphan - deletes the note from the notes hive 
+  //!                              if there are no more assembly items
+  //!                              linked with the note.
+  //! \return true if the note is removed, otherwise - false.
+  Standard_EXPORT Standard_Boolean RemoveNote(const TDF_Label&              theNoteLabel,
+                                              const XCAFDoc_AssemblyItemId& theItemId,
+                                              Standard_Boolean              theDelIfOrphan = Standard_False);
+
+  //! Removes the given note from the labeled item.
+  //! \param [in] theNoteLabel   - note label.
+  //! \param [in] theItemLabel   - item label.
+  //! \param [in] theDelIfOrphan - deletes the note from the notes hive 
+  //!                              if there are no more labeled items
+  //!                              linked with the note.
+  //! \return true if the note is removed, otherwise - false.
+  Standard_EXPORT Standard_Boolean RemoveNote(const TDF_Label& theNoteLabel,
+                                              const TDF_Label& theItemLabel,
+                                              Standard_Boolean theDelIfOrphan = Standard_False);
+
+  //! Removes the given note from the assembly item's subshape.
+  //! \param [in] theNoteLabel     - note label.
+  //! \param [in] theItemId        - assembly item ID.
+  //! \param [in] theSubshapeIndex - assembly item's subshape index.
+  //! \param [in] theDelIfOrphan   - deletes the note from the notes hive 
+  //!                                if there are no more assembly item's
+  //!                                subshape linked with the note.
+  //! \return true if the note is removed, otherwise - false.
+  Standard_EXPORT Standard_Boolean RemoveSubshapeNote(const TDF_Label&              theNoteLabel,
+                                                      const XCAFDoc_AssemblyItemId& theItemId,
+                                                      Standard_Integer              theSubshapeIndex,
+                                                      Standard_Boolean              theDelIfOrphan = Standard_False);
+
+  //! Removes the given note from the labeled item's subshape.
+  //! \param [in] theNoteLabel     - note label.
+  //! \param [in] theItemLabel     - item label.
+  //! \param [in] theSubshapeIndex - labeled item's subshape index.
+  //! \param [in] theDelIfOrphan   - deletes the note from the notes hive 
+  //!                                if there are no more assembly item's
+  //!                                subshape linked with the note.
+  //! \return true if the note is removed, otherwise - false.
+  Standard_EXPORT Standard_Boolean RemoveSubshapeNote(const TDF_Label& theNoteLabel,
+                                                      const TDF_Label& theItemLabel,
+                                                      Standard_Integer theSubshapeIndex,
+                                                      Standard_Boolean theDelIfOrphan = Standard_False);
+
+  //! Removes a note from the assembly item's attribute.
+  //! \param [in] theNoteLabel   - note label.
+  //! \param [in] theItemId      - assembly item ID.
+  //! \param [in] theGUID        - assembly item's attribute GUID.
+  //! \param [in] theDelIfOrphan - deletes the note from the notes hive 
+  //!                              if there are no more assembly item's
+  //!                              attribute linked with the note.
+  //! \return true if the note is removed, otherwise - false.
+  Standard_EXPORT Standard_Boolean RemoveAttrNote(const TDF_Label&              theNoteLabel,
+                                                  const XCAFDoc_AssemblyItemId& theItemId,
+                                                  const Standard_GUID&          theGUID,
+                                                  Standard_Boolean              theDelIfOrphan = Standard_False);
+
+  //! Removes a note from the labeled item's attribute.
+  //! \param [in] theNoteLabel   - note label.
+  //! \param [in] theItemLabel   - item label.
+  //! \param [in] theGUID        - labeled item's attribute GUID.
+  //! \param [in] theDelIfOrphan - deletes the note from the notes hive 
+  //!                              if there are no more assembly item's
+  //!                              attribute linked with the note.
+  //! \return true if the note is removed, otherwise - false.
+  Standard_EXPORT Standard_Boolean RemoveAttrNote(const TDF_Label&     theNoteLabel,
+                                                  const TDF_Label&     theItemLabel,
+                                                  const Standard_GUID& theGUID,
+                                                  Standard_Boolean     theDelIfOrphan = Standard_False);
+
+  //! Removes all notes from the assembly item.
+  //! \param [in] theItemId      - assembly item ID.
+  //! \param [in] theDelIfOrphan - deletes removed notes from the notes
+  //!                              hive if there are no more annotated items
+  //!                              linked with the notes.
+  //! \return true if the notes are removed, otherwise - false.
+  Standard_EXPORT Standard_Boolean RemoveAllNotes(const XCAFDoc_AssemblyItemId& theItemId,
+                                                  Standard_Boolean              theDelIfOrphan = Standard_False);
+
+  //! Removes all notes from the labeled item.
+  //! \param [in] theItemLabel   - item label.
+  //! \param [in] theDelIfOrphan - deletes removed notes from the notes
+  //!                              hive if there are no more annotated items
+  //!                              linked with the notes.
+  //! \return true if the notes are removed, otherwise - false.
+  Standard_EXPORT Standard_Boolean RemoveAllNotes(const TDF_Label& theItemLabel,
+                                                  Standard_Boolean theDelIfOrphan = Standard_False);
+
+  //! Removes all notes from the assembly item's subshape.
+  //! \param [in] theItemId        - assembly item ID.
+  //! \param [in] theSubshapeIndex - assembly item's subshape index.
+  //! \param [in] theDelIfOrphan   - deletes removed notes from the notes
+  //!                                hive if there are no more annotated items
+  //!                                linked with the notes.
+  //! \return true if the notes are removed, otherwise - false.
+  Standard_EXPORT Standard_Boolean RemoveAllSubshapeNotes(const XCAFDoc_AssemblyItemId& theItemId,
+                                                          Standard_Integer              theSubshapeIndex,
+                                                          Standard_Boolean              theDelIfOrphan = Standard_False);
+
+  //! Removes all notes from the assembly item's attribute.
+  //! \param [in] theItemId      - assembly item ID.
+  //! \param [in] theGUID        - assembly item's attribute GUID.
+  //! \param [in] theDelIfOrphan - deletes removed notes from the notes
+  //!                              hive if there are no more annotated items
+  //!                              linked with the notes.
+  //! \return true if the notes are removed, otherwise - false.
+  Standard_EXPORT Standard_Boolean RemoveAllAttrNotes(const XCAFDoc_AssemblyItemId& theItemId,
+                                                      const Standard_GUID&          theGUID,
+                                                      Standard_Boolean              theDelIfOrphan = Standard_False);
+
+  //! Removes all notes from the labeled item's attribute.
+  //! \param [in] theItemLabel   - item label.
+  //! \param [in] theGUID        - labeled item's attribute GUID.
+  //! \param [in] theDelIfOrphan - deletes removed notes from the notes
+  //!                              hive if there are no more annotated items
+  //!                              linked with the notes.
+  //! \return true if the notes are removed, otherwise - false.
+  Standard_EXPORT Standard_Boolean RemoveAllAttrNotes(const TDF_Label&     theItemLabel,
+                                                      const Standard_GUID& theGUID,
+                                                      Standard_Boolean     theDelIfOrphan = Standard_False);
+
+  //! @}
+
+  //! @name Delete note functions
+  //! @{
+
+  //! Deletes the given note.
+  //! Removes all links with items annotated by the note.
+  //! \param [in] theNoteLabel - note label.
+  //! \return true if the note is deleted, otherwise - false.
+  Standard_EXPORT Standard_Boolean DeleteNote(const TDF_Label& theNoteLabel);
+
+  //! Deletes the given notes.
+  //! Removes all links with items annotated by the notes.
+  //! \param [in] theNoteLabels - note label sequence.
+  //! \return number of deleted notes.
+  Standard_EXPORT Standard_Integer DeleteNotes(TDF_LabelSequence& theNoteLabels);
+
+  //! Deletes all notes.
+  //! Clears all annotations.
+  //! \return number of deleted notes.
+  Standard_EXPORT Standard_Integer DeleteAllNotes();
+
+  //! @}
+
+  //! @name Orphan annotated items functions
+  //! @{
+
+  //! Returns number of notes that aren't linked to annotated items.
+  Standard_EXPORT Standard_Integer NbOrphanNotes() const;
+
+  //! Returns note labels that aren't linked to annotated items.
+  //! The label sequence isn't cleared beforehand.
+  //! \param [out] theNoteLabels - sequence of labels.
+  Standard_EXPORT void GetOrphanNotes(TDF_LabelSequence& theNoteLabels) const;
+  
+  //! Deletes all notes that aren't linked to annotated items.
+  //! \return number of deleted notes.
+  Standard_EXPORT Standard_Integer DeleteOrphanNotes();
+
+  //! @}
+
+public:
+
+  // Overrides TDF_Attribute virtuals
+  Standard_EXPORT const Standard_GUID& ID() const Standard_OVERRIDE;
+  Standard_EXPORT Handle(TDF_Attribute) NewEmpty() const Standard_OVERRIDE;
+  Standard_EXPORT void Restore(const Handle(TDF_Attribute)& theAttrFrom) Standard_OVERRIDE;
+  Standard_EXPORT void Paste(const Handle(TDF_Attribute)&       theAttrInto, 
+                             const Handle(TDF_RelocationTable)& theRT) const Standard_OVERRIDE;
+  Standard_EXPORT Standard_OStream& Dump(Standard_OStream& theOS) const Standard_OVERRIDE;
+
+};
+
+#endif // _XCAFDoc_NotesTool_HeaderFile
diff --git a/src/XCAFDoc/XCAFDoc_PartId.hxx b/src/XCAFDoc/XCAFDoc_PartId.hxx
new file mode 100644
index 0000000000..2e71081bf4
--- /dev/null
+++ b/src/XCAFDoc/XCAFDoc_PartId.hxx
@@ -0,0 +1,22 @@
+// Copyright (c) 1998-1999 Matra Datavision
+// Copyright (c) 1999-2017 OPEN CASCADE SAS
+//
+// This file is part of Open CASCADE Technology software library.
+//
+// This library is free software; you can redistribute it and/or modify it under
+// the terms of the GNU Lesser General Public License version 2.1 as published
+// by the Free Software Foundation, with special exception defined in the file
+// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
+// distribution for complete text of the license and disclaimer of any warranty.
+//
+// Alternatively, this file may be used under the terms of Open CASCADE
+// commercial license or contractual agreement.
+
+#ifndef _XCAFDoc_PartId_HeaderFile
+#define _XCAFDoc_PartId_HeaderFile
+
+#include <TCollection_AsciiString.hxx>
+
+typedef TCollection_AsciiString XCAFDoc_PartId;
+
+#endif // _XCAFDoc_PartId_HeaderFile
diff --git a/src/XCAFDoc/XCAFDoc_ViewTool.cxx b/src/XCAFDoc/XCAFDoc_ViewTool.cxx
index 9bf93ca729..1cc6679457 100644
--- a/src/XCAFDoc/XCAFDoc_ViewTool.cxx
+++ b/src/XCAFDoc/XCAFDoc_ViewTool.cxx
@@ -117,6 +117,136 @@ TDF_Label XCAFDoc_ViewTool::AddView()
   return aViewL;
 }
 
+//=======================================================================
+//function : SetView
+//purpose  : 
+//=======================================================================
+void XCAFDoc_ViewTool::SetView(const TDF_LabelSequence& theShapes,
+                               const TDF_LabelSequence& theGDTs,
+                               const TDF_LabelSequence& theClippingPlanes,
+                               const TDF_LabelSequence& theNotes,
+                               const TDF_LabelSequence& theAnnotations,
+                               const TDF_Label& theViewL) const
+{
+  if (!IsView(theViewL))
+    return;
+
+  Handle(XCAFDoc_GraphNode) aChGNode;
+  Handle(XCAFDoc_GraphNode) aShapeGNode;
+  Handle(XCAFDoc_GraphNode) aGDTGNode;
+  Handle(XCAFDoc_GraphNode) aPlaneGNode;
+  Handle(XCAFDoc_GraphNode) aNoteGNode;
+  Handle(XCAFDoc_GraphNode) aAnnotGNode;
+
+  if (theViewL.FindAttribute(XCAFDoc::ViewRefShapeGUID(), aChGNode)) {
+    while (aChGNode->NbFathers() > 0) {
+      aShapeGNode = aChGNode->GetFather(1);
+      aShapeGNode->UnSetChild(aChGNode);
+      if (aShapeGNode->NbChildren() == 0)
+        aShapeGNode->ForgetAttribute(XCAFDoc::ViewRefShapeGUID());
+    }
+    theViewL.ForgetAttribute(XCAFDoc::ViewRefShapeGUID());
+  }
+  if (theViewL.FindAttribute(XCAFDoc::ViewRefGDTGUID(), aChGNode)) {
+    while (aChGNode->NbFathers() > 0) {
+      aGDTGNode = aChGNode->GetFather(1);
+      aGDTGNode->UnSetChild(aChGNode);
+      if (aGDTGNode->NbChildren() == 0)
+        aGDTGNode->ForgetAttribute(XCAFDoc::ViewRefGDTGUID());
+    }
+    theViewL.ForgetAttribute(XCAFDoc::ViewRefGDTGUID());
+  }
+  if (theViewL.FindAttribute(XCAFDoc::ViewRefPlaneGUID(), aChGNode)) {
+    while (aChGNode->NbFathers() > 0) {
+      aPlaneGNode = aChGNode->GetFather(1);
+      aPlaneGNode->UnSetChild(aChGNode);
+      if (aPlaneGNode->NbChildren() == 0)
+        aPlaneGNode->ForgetAttribute(XCAFDoc::ViewRefGDTGUID());
+    }
+    theViewL.ForgetAttribute(XCAFDoc::ViewRefPlaneGUID());
+  }
+
+  if (!theViewL.FindAttribute(XCAFDoc::ViewRefShapeGUID(), aChGNode) && theShapes.Length() > 0) {
+    aChGNode = new XCAFDoc_GraphNode;
+    aChGNode = XCAFDoc_GraphNode::Set(theViewL);
+    aChGNode->SetGraphID(XCAFDoc::ViewRefShapeGUID());
+  }
+  for (Standard_Integer i = theShapes.Lower(); i <= theShapes.Upper(); i++)
+  {
+    if (!theShapes.Value(i).FindAttribute(XCAFDoc::ViewRefShapeGUID(), aShapeGNode)) {
+      aShapeGNode = new XCAFDoc_GraphNode;
+      aShapeGNode = XCAFDoc_GraphNode::Set(theShapes.Value(i));
+    }
+    aShapeGNode->SetGraphID(XCAFDoc::ViewRefShapeGUID());
+    aShapeGNode->SetChild(aChGNode);
+    aChGNode->SetFather(aShapeGNode);
+  }
+
+  if (!theViewL.FindAttribute(XCAFDoc::ViewRefGDTGUID(), aChGNode) && theGDTs.Length() > 0) {
+    aChGNode = new XCAFDoc_GraphNode;
+    aChGNode = XCAFDoc_GraphNode::Set(theViewL);
+    aChGNode->SetGraphID(XCAFDoc::ViewRefGDTGUID());
+  }
+  for (Standard_Integer i = theGDTs.Lower(); i <= theGDTs.Upper(); i++)
+  {
+    if (!theGDTs.Value(i).FindAttribute(XCAFDoc::ViewRefGDTGUID(), aGDTGNode)) {
+      aGDTGNode = new XCAFDoc_GraphNode;
+      aGDTGNode = XCAFDoc_GraphNode::Set(theGDTs.Value(i));
+    }
+    aGDTGNode->SetGraphID(XCAFDoc::ViewRefGDTGUID());
+    aGDTGNode->SetChild(aChGNode);
+    aChGNode->SetFather(aGDTGNode);
+  }
+
+  if (!theViewL.FindAttribute(XCAFDoc::ViewRefPlaneGUID(), aChGNode) && theClippingPlanes.Length() > 0) {
+    aChGNode = new XCAFDoc_GraphNode;
+    aChGNode = XCAFDoc_GraphNode::Set(theViewL);
+    aChGNode->SetGraphID(XCAFDoc::ViewRefPlaneGUID());
+  }
+  for (Standard_Integer i = theClippingPlanes.Lower(); i <= theClippingPlanes.Upper(); i++)
+  {
+    if (!theClippingPlanes.Value(i).FindAttribute(XCAFDoc::ViewRefPlaneGUID(), aPlaneGNode)) {
+      aPlaneGNode = new XCAFDoc_GraphNode;
+      aPlaneGNode = XCAFDoc_GraphNode::Set(theClippingPlanes.Value(i));
+    }
+    aPlaneGNode->SetGraphID(XCAFDoc::ViewRefPlaneGUID());
+    aPlaneGNode->SetChild(aChGNode);
+    aChGNode->SetFather(aPlaneGNode);
+  }
+
+  if (!theViewL.FindAttribute(XCAFDoc::ViewRefPlaneGUID(), aChGNode) && theClippingPlanes.Length() > 0) {
+    aChGNode = new XCAFDoc_GraphNode;
+    aChGNode = XCAFDoc_GraphNode::Set(theViewL);
+    aChGNode->SetGraphID(XCAFDoc::ViewRefPlaneGUID());
+  }
+  for (Standard_Integer i = theNotes.Lower(); i <= theNotes.Upper(); i++)
+  {
+    if (!theNotes.Value(i).FindAttribute(XCAFDoc::ViewRefNoteGUID(), aNoteGNode)) {
+      aNoteGNode = new XCAFDoc_GraphNode;
+      aNoteGNode = XCAFDoc_GraphNode::Set(theNotes.Value(i));
+    }
+    aNoteGNode->SetGraphID(XCAFDoc::ViewRefNoteGUID());
+    aNoteGNode->SetChild(aChGNode);
+    aChGNode->SetFather(aNoteGNode);
+  }
+
+  if (!theViewL.FindAttribute(XCAFDoc::ViewRefAnnotationGUID(), aChGNode) && theAnnotations.Length() > 0) {
+    aChGNode = new XCAFDoc_GraphNode;
+    aChGNode = XCAFDoc_GraphNode::Set(theViewL);
+    aChGNode->SetGraphID(XCAFDoc::ViewRefAnnotationGUID());
+  }
+  for (Standard_Integer i = theAnnotations.Lower(); i <= theAnnotations.Upper(); i++)
+  {
+    if (!theAnnotations.Value(i).FindAttribute(XCAFDoc::ViewRefAnnotationGUID(), aNoteGNode)) {
+      aAnnotGNode = new XCAFDoc_GraphNode;
+      aAnnotGNode = XCAFDoc_GraphNode::Set(theNotes.Value(i));
+    }
+    aAnnotGNode->SetGraphID(XCAFDoc::ViewRefAnnotationGUID());
+    aAnnotGNode->SetChild(aChGNode);
+    aChGNode->SetFather(aAnnotGNode);
+  }
+}
+
 //=======================================================================
 //function : SetView
 //purpose  : 
@@ -431,6 +561,54 @@ Standard_Boolean XCAFDoc_ViewTool::GetRefClippingPlaneLabel(const TDF_Label& the
   return Standard_True;
 }
 
+//=======================================================================
+//function : GetRefNoteLabel
+//purpose  : 
+//=======================================================================
+Standard_Boolean XCAFDoc_ViewTool::GetRefNoteLabel(const TDF_Label& theViewL,
+  TDF_LabelSequence& theNoteLabels) const
+{
+  theNoteLabels.Clear();
+  Handle(TDataStd_TreeNode) aNode;
+  if (!theViewL.FindAttribute(XCAFDoc::ViewRefGUID(), aNode) || !aNode->HasFather()) {
+    Handle(XCAFDoc_GraphNode) aGNode;
+    if (theViewL.FindAttribute(XCAFDoc::ViewRefNoteGUID(), aGNode) && aGNode->NbFathers() > 0) {
+      for (Standard_Integer i = 1; i <= aGNode->NbFathers(); i++)
+        theNoteLabels.Append(aGNode->GetFather(i)->Label());
+      return Standard_True;
+    }
+    else
+      return Standard_False;
+  }
+
+  theNoteLabels.Append(aNode->Father()->Label());
+  return Standard_True;
+}
+
+//=======================================================================
+//function : GetRefAnnotationLabel
+//purpose  : 
+//=======================================================================
+Standard_Boolean XCAFDoc_ViewTool::GetRefAnnotationLabel(const TDF_Label& theViewL,
+  TDF_LabelSequence& theAnnotationLabels) const
+{
+  theAnnotationLabels.Clear();
+  Handle(TDataStd_TreeNode) aNode;
+  if (!theViewL.FindAttribute(XCAFDoc::ViewRefGUID(), aNode) || !aNode->HasFather()) {
+    Handle(XCAFDoc_GraphNode) aGNode;
+    if (theViewL.FindAttribute(XCAFDoc::ViewRefAnnotationGUID(), aGNode) && aGNode->NbFathers() > 0) {
+      for (Standard_Integer i = 1; i <= aGNode->NbFathers(); i++)
+        theAnnotationLabels.Append(aGNode->GetFather(i)->Label());
+      return Standard_True;
+    }
+    else
+      return Standard_False;
+  }
+
+  theAnnotationLabels.Append(aNode->Father()->Label());
+  return Standard_True;
+}
+
 //=======================================================================
 //function : GetViewLabelsForShape
 //purpose  : 
@@ -488,6 +666,44 @@ Standard_Boolean XCAFDoc_ViewTool::GetViewLabelsForClippingPlane(const TDF_Label
   return aResult;
 }
 
+//=======================================================================
+//function : GetViewLabelsForNote
+//purpose  : 
+//=======================================================================
+Standard_Boolean XCAFDoc_ViewTool::GetViewLabelsForNote(const TDF_Label& theNoteL,
+  TDF_LabelSequence& theViews) const
+{
+  Handle(XCAFDoc_GraphNode) aGNode;
+  Standard_Boolean aResult = Standard_False;
+  if (theNoteL.FindAttribute(XCAFDoc::ViewRefNoteGUID(), aGNode) && aGNode->NbChildren() > 0) {
+    for (Standard_Integer i = 1; i <= aGNode->NbChildren(); i++)
+    {
+      theViews.Append(aGNode->GetChild(i)->Label());
+    }
+    aResult = Standard_True;
+  }
+  return aResult;
+}
+
+//=======================================================================
+//function : GetViewLabelsForAnnotation
+//purpose  : 
+//=======================================================================
+Standard_Boolean XCAFDoc_ViewTool::GetViewLabelsForAnnotation(const TDF_Label& theAnnotationL,
+  TDF_LabelSequence& theViews) const
+{
+  Handle(XCAFDoc_GraphNode) aGNode;
+  Standard_Boolean aResult = Standard_False;
+  if (theAnnotationL.FindAttribute(XCAFDoc::ViewRefAnnotationGUID(), aGNode) && aGNode->NbChildren() > 0) {
+    for (Standard_Integer i = 1; i <= aGNode->NbChildren(); i++)
+    {
+      theViews.Append(aGNode->GetChild(i)->Label());
+    }
+    aResult = Standard_True;
+  }
+  return aResult;
+}
+
 //=======================================================================
 //function : IsLocked
 //purpose  : 
diff --git a/src/XCAFDoc/XCAFDoc_ViewTool.hxx b/src/XCAFDoc/XCAFDoc_ViewTool.hxx
index a995df5255..7fcd681007 100644
--- a/src/XCAFDoc/XCAFDoc_ViewTool.hxx
+++ b/src/XCAFDoc/XCAFDoc_ViewTool.hxx
@@ -63,7 +63,15 @@ public:
   //! Returns a sequence of View labels currently stored
   //! in the View table
   Standard_EXPORT void GetViewLabels (TDF_LabelSequence& theLabels) const;
-  
+
+  //! Sets a link with GUID
+  Standard_EXPORT void SetView(const TDF_LabelSequence& theShapes,
+                               const TDF_LabelSequence& theGDTs,
+                               const TDF_LabelSequence& theClippingPlanes,
+                               const TDF_LabelSequence& theNotes,
+                               const TDF_LabelSequence& theAnnotations,
+                               const TDF_Label& theViewL) const;
+
   //! Sets a link with GUID
   Standard_EXPORT void SetView (const TDF_LabelSequence& theShapes,
                                 const TDF_LabelSequence& theGDTs,
@@ -90,7 +98,13 @@ public:
 
   //! Returns all View labels defined for label ClippingPlaneL
   Standard_EXPORT Standard_Boolean GetViewLabelsForClippingPlane(const TDF_Label& theClippingPlaneL, TDF_LabelSequence& theViews) const;
-  
+
+  //! Returns all View labels defined for label NoteL
+  Standard_EXPORT Standard_Boolean GetViewLabelsForNote(const TDF_Label& theNoteL, TDF_LabelSequence& theViews) const;
+
+  //! Returns all View labels defined for label AnnotationL
+  Standard_EXPORT Standard_Boolean GetViewLabelsForAnnotation(const TDF_Label& theAnnotationL, TDF_LabelSequence& theViews) const;
+
   //! Adds a view definition to a View table and returns its label
   Standard_EXPORT TDF_Label AddView() ;
   
@@ -106,6 +120,14 @@ public:
   //! Returns False if the theViewL is not in View table
   Standard_EXPORT Standard_Boolean GetRefClippingPlaneLabel(const TDF_Label& theViewL, TDF_LabelSequence& theClippingPlaneLabels) const;
 
+  //! Returns Notes labels defined for label theViewL
+  //! Returns False if the theViewL is not in View table
+  Standard_EXPORT Standard_Boolean GetRefNoteLabel(const TDF_Label& theViewL, TDF_LabelSequence& theNoteLabels) const;
+
+  //! Returns Annotation labels defined for label theViewL
+  //! Returns False if the theViewL is not in View table
+  Standard_EXPORT Standard_Boolean GetRefAnnotationLabel(const TDF_Label& theViewL, TDF_LabelSequence& theAnnotationLabels) const;
+
   //! Returns true if the given View is marked as locked
   Standard_EXPORT Standard_Boolean IsLocked(const TDF_Label& theViewL) const;
 
diff --git a/src/XDEDRAW/FILES b/src/XDEDRAW/FILES
index 9787e20eac..a896d4c95e 100644
--- a/src/XDEDRAW/FILES
+++ b/src/XDEDRAW/FILES
@@ -14,3 +14,5 @@ XDEDRAW_Shapes.cxx
 XDEDRAW_Shapes.hxx
 XDEDRAW_Views.cxx
 XDEDRAW_Views.hxx
+XDEDRAW_Notes.cxx
+XDEDRAW_Notes.hxx
diff --git a/src/XDEDRAW/XDEDRAW.cxx b/src/XDEDRAW/XDEDRAW.cxx
index c70cbfb3aa..53e003c83b 100644
--- a/src/XDEDRAW/XDEDRAW.cxx
+++ b/src/XDEDRAW/XDEDRAW.cxx
@@ -87,6 +87,7 @@
 #include <XDEDRAW_Shapes.hxx>
 #include <XDEDRAW_GDTs.hxx>
 #include <XDEDRAW_Views.hxx>
+#include <XDEDRAW_Notes.hxx>
 #include <XSDRAW.hxx>
 #include <XSDRAWIGES.hxx>
 #include <XSDRAWSTEP.hxx>
@@ -1171,6 +1172,7 @@ void XDEDRAW::Init(Draw_Interpretor& di)
   XDEDRAW_Props::InitCommands ( di );
   XDEDRAW_GDTs::InitCommands ( di );
   XDEDRAW_Views::InitCommands(di);
+  XDEDRAW_Notes::InitCommands(di);
   XDEDRAW_Common::InitCommands ( di );//moved from EXE
 
 }
diff --git a/src/XDEDRAW/XDEDRAW_Notes.cxx b/src/XDEDRAW/XDEDRAW_Notes.cxx
new file mode 100644
index 0000000000..05fc1e75f6
--- /dev/null
+++ b/src/XDEDRAW/XDEDRAW_Notes.cxx
@@ -0,0 +1,1438 @@
+// Created on: 2017-08-09
+// Created by: Sergey NIKONOV
+// Copyright (c) 2016 OPEN CASCADE SAS
+//
+// This file is part of Open CASCADE Technology software library.
+//
+// This library is free software; you can redistribute it and/or modify it under
+// the terms of the GNU Lesser General Public License version 2.1 as published
+// by the Free Software Foundation, with special exception defined in the file
+// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
+// distribution for complete text of the license and disclaimer of any warranty.
+//
+// Alternatively, this file may be used under the terms of Open CASCADE
+// commercial license or contractual agreement.
+
+#include <DDocStd.hxx>
+#include <OSD_File.hxx>
+#include <OSD_Protection.hxx>
+#include <TDocStd_Document.hxx>
+#include <TDF_Tool.hxx>
+#include <XCAFDoc_AssemblyItemRef.hxx>
+#include <XCAFDoc_DocumentTool.hxx>
+#include <XCAFDoc_Note.hxx>
+#include <XCAFDoc_NoteBalloon.hxx>
+#include <XCAFDoc_NoteComment.hxx>
+#include <XCAFDoc_NoteBinData.hxx>
+#include <XCAFDoc_NotesTool.hxx>
+#include <XDEDRAW_Notes.hxx>
+
+struct cmd
+{
+  const char*      name;
+  Standard_Integer nargsreq;
+  const char*      use;
+};
+
+Draw_Interpretor& operator << (Draw_Interpretor& di, const cmd& c)
+{
+  di << "Use: " << c.use << "\n";
+  return di;
+}
+
+Draw_Interpretor& operator << (Draw_Interpretor& di, const TDF_Label& L)
+{
+  TCollection_AsciiString anEntry;
+  TDF_Tool::Entry(L, anEntry);
+  di << anEntry;
+  return di;
+}
+
+Draw_Interpretor& operator << (Draw_Interpretor& di, const Handle(XCAFDoc_Note)& note)
+{
+  TCollection_AsciiString anEntry;
+  TDF_Tool::Entry(note->Label(), anEntry);
+  di << anEntry;
+  return di;
+}
+
+Draw_Interpretor& operator << (Draw_Interpretor& di, const Handle(XCAFDoc_AssemblyItemRef)& ref)
+{
+  TCollection_AsciiString anEntry;
+  TDF_Tool::Entry(ref->Label(), anEntry);
+  di << anEntry;
+  return di;
+}
+
+//=======================================================================
+//function : noteCount
+//purpose  : returns number of annotated items, notes and orphan notes
+//=======================================================================
+static const cmd XNoteCount = {
+  "XNoteCount", 2, "XNoteCount Doc"
+};
+static Standard_Integer
+noteCount(Draw_Interpretor& di, Standard_Integer argc, const char** argv)
+{
+  static const cmd& myCommand = XNoteCount;
+
+  if (argc < myCommand.nargsreq)
+  {
+    di << myCommand;
+    return 1;
+  }
+
+  Handle(TDocStd_Document) aDoc;
+  DDocStd::GetDocument(argv[1], aDoc);
+  if (aDoc.IsNull())
+  {
+    return 1;
+  }
+
+  Handle(XCAFDoc_NotesTool) aNotesTool = XCAFDoc_DocumentTool::NotesTool(aDoc->Main());
+
+  di
+    << aNotesTool->NbAnnotatedItems() << " "
+    << aNotesTool->NbNotes() << " "
+    << aNotesTool->NbOrphanNotes()
+    ;
+  return 0;
+}
+
+//=======================================================================
+//function : noteNotes
+//purpose  : returns list of all notes
+//=======================================================================
+static const cmd XNoteNotes = {
+  "XNoteNotes", 2, "XNoteNotes Doc"
+};
+static Standard_Integer
+noteNotes(Draw_Interpretor& di, Standard_Integer argc, const char** argv)
+{
+  static const cmd& myCommand = XNoteNotes;
+
+  if (argc < myCommand.nargsreq)
+  {
+    di << myCommand;
+    return 1;
+  }
+
+  Handle(TDocStd_Document) aDoc;
+  DDocStd::GetDocument(argv[1], aDoc);
+  if (aDoc.IsNull())
+  {
+    return 1;
+  }
+
+  Handle(XCAFDoc_NotesTool) aNotesTool = XCAFDoc_DocumentTool::NotesTool(aDoc->Main());
+
+  TDF_LabelSequence aNotes;
+  aNotesTool->GetNotes(aNotes);
+  for (TDF_LabelSequence::Iterator anIt(aNotes); anIt.More(); anIt.Next())
+  {
+    Handle(XCAFDoc_Note) aNote = XCAFDoc_Note::Get(anIt.Value());
+    di << aNote << " ";
+  }
+
+  return 0;
+}
+
+//=======================================================================
+//function : noteAnnotations
+//purpose  : returns list of all notes
+//=======================================================================
+static const cmd XNoteAnnotations = {
+  "XNoteAnnotations", 2, "XNoteAnnotations Doc"
+};
+static Standard_Integer
+noteAnnotations(Draw_Interpretor& di, Standard_Integer argc, const char** argv)
+{
+  static const cmd& myCommand = XNoteAnnotations;
+
+  if (argc < myCommand.nargsreq)
+  {
+    di << myCommand;
+    return 1;
+  }
+
+  Handle(TDocStd_Document) aDoc;
+  DDocStd::GetDocument(argv[1], aDoc);
+  if (aDoc.IsNull())
+  {
+    return 1;
+  }
+
+  Handle(XCAFDoc_NotesTool) aNotesTool = XCAFDoc_DocumentTool::NotesTool(aDoc->Main());
+
+  TDF_LabelSequence aAnnotations;
+  aNotesTool->GetAnnotatedItems(aAnnotations);
+  for (TDF_LabelSequence::Iterator anIt(aAnnotations); anIt.More(); anIt.Next())
+  {
+    Handle(XCAFDoc_AssemblyItemRef) aRef = XCAFDoc_AssemblyItemRef::Get(anIt.Value());
+    di << aRef << " ";
+  }
+
+  return 0;
+}
+
+//=======================================================================
+//function : noteCreateBalloon
+//purpose  : creates a 'balloon' note and returns a new note entry
+//=======================================================================
+static const cmd XNoteCreateBalloon = {
+  "XNoteCreateBalloon", 3, "XNoteCreateBalloon Doc comment [--user name] [--time stamp]"
+};
+static Standard_Integer
+noteCreateBalloon(Draw_Interpretor& di, Standard_Integer argc, const char** argv)
+{
+  static const cmd& myCommand = XNoteCreateBalloon;
+
+  if (argc < myCommand.nargsreq)
+  {
+    di << myCommand;
+    return 1;
+  }
+
+  Standard_Integer iarg = 0;
+
+  Handle(TDocStd_Document) aDoc;
+  DDocStd::GetDocument(argv[++iarg], aDoc);
+  if (aDoc.IsNull())
+  {
+    return 1;
+  }
+
+  TCollection_ExtendedString aComment = argv[++iarg];
+  TCollection_ExtendedString aUsername, aTimestamp;
+
+  for (++iarg; iarg < argc; ++iarg)
+  {
+    TCollection_AsciiString opt = argv[iarg];
+    if (opt == "--user")
+    {
+      if (++iarg >= argc)
+      {
+        di << "Error: user name is expected.\n" << myCommand;
+        return 1;
+      }
+      aUsername = argv[iarg];
+    }
+    else if (opt == "--time")
+    {
+      if (++iarg >= argc)
+      {
+        di << "Error: timestamp is expected.\n" << myCommand;
+        return 1;
+      }
+      aTimestamp = argv[iarg];
+    }
+  }
+
+  Handle(XCAFDoc_NotesTool) aNotesTool = XCAFDoc_DocumentTool::NotesTool(aDoc->Main());
+  Handle(XCAFDoc_Note) aNote = aNotesTool->CreateBalloon(aUsername, aTimestamp, aComment);
+  if (!aNote)
+  {
+    di << "Error: couldn't create a comment note.\n";
+    return 1;
+  }
+
+  di << aNote;
+  return 0;
+}
+
+//=======================================================================
+//function : noteCreateComment
+//purpose  : creates a comment note and returns a new note entry
+//=======================================================================
+static const cmd XNoteCreateComment = {
+  "XNoteCreateComment", 3, "XNoteCreateComment Doc comment [--user name] [--time stamp]"
+};
+static Standard_Integer
+noteCreateComment(Draw_Interpretor& di, Standard_Integer argc, const char** argv)
+{
+  static const cmd& myCommand = XNoteCreateComment;
+
+  if (argc < myCommand.nargsreq)
+  {
+    di << myCommand;
+    return 1;
+  }
+
+  Standard_Integer iarg = 0;
+
+  Handle(TDocStd_Document) aDoc;
+  DDocStd::GetDocument(argv[++iarg], aDoc);
+  if (aDoc.IsNull()) 
+  {
+    return 1;
+  }
+
+  TCollection_ExtendedString aComment = argv[++iarg];
+  TCollection_ExtendedString aUsername, aTimestamp;
+
+  for (++iarg; iarg < argc; ++iarg)
+  {
+    TCollection_AsciiString opt = argv[iarg];
+    if (opt == "--user")
+    {
+      if (++iarg >= argc)
+      {
+        di << "Error: user name is expected.\n" << myCommand;
+        return 1;
+      }
+      aUsername = argv[iarg];
+    }
+    else if (opt == "--time")
+    {
+      if (++iarg >= argc)
+      {
+        di << "Error: timestamp is expected.\n" << myCommand;
+        return 1;
+      }
+      aTimestamp = argv[iarg];
+    }
+  }
+
+  Handle(XCAFDoc_NotesTool) aNotesTool = XCAFDoc_DocumentTool::NotesTool(aDoc->Main());
+  Handle(XCAFDoc_Note) aNote = aNotesTool->CreateComment(aUsername, aTimestamp, aComment);
+  if (!aNote)
+  {
+    di << "Error: couldn't create a comment note.\n";
+    return 1;
+  }
+
+  di << aNote;
+  return 0;
+}
+
+//=======================================================================
+//function : noteCreateBinData
+//purpose  : creates a binary data note and returns a new note entry
+//=======================================================================
+static const cmd XNoteCreateBinData = {
+  "XNoteCreateBinData", 5, "XNoteCreateBinData Doc title <--file path | --data data> [--mime type] [--user name] [--time stamp]"
+};
+static Standard_Integer
+noteCreateBinData(Draw_Interpretor& di, Standard_Integer argc, const char** argv)
+{
+  static const cmd& myCommand = XNoteCreateBinData;
+
+  if (argc < myCommand.nargsreq)
+  {
+    di << myCommand;
+    return 1;
+  }
+
+  Standard_Integer iarg = 0;
+
+  Handle(TDocStd_Document) aDoc;
+  DDocStd::GetDocument(argv[++iarg], aDoc);
+  if (aDoc.IsNull())
+  {
+    return 1;
+  }
+
+  Standard_Boolean aFromFile = Standard_False;
+  Standard_Boolean aFromData = Standard_False;
+  TCollection_ExtendedString aFilename;
+  Handle(TColStd_HArray1OfByte) aData;
+  TCollection_ExtendedString aTitle = argv[++iarg];
+  TCollection_AsciiString aMIMEtype;
+  TCollection_ExtendedString aUsername, aTimestamp;
+
+  for (++iarg; iarg < argc; ++iarg)
+  {
+    TCollection_AsciiString opt = argv[iarg];
+    if (opt == "--file")
+    {
+      if (aFromData)
+      {
+        di << "Error: data can be taken either from a file or a data array.\n" << myCommand;
+        return 1;
+      }
+      if (++iarg >= argc)
+      {
+        di << "Error: file path is expected.\n" << myCommand;
+        return 1;
+      }
+      aFilename = argv[iarg];
+      aFromFile = Standard_True;
+    }
+    else if (opt == "--data")
+    {
+      if (aFromFile)
+      {
+        di << "Error: data can be taken either from a file or a data array.\n" << myCommand;
+        return 1;
+      }
+      if (++iarg >= argc)
+      {
+        di << "Error: data array is expected.\n" << myCommand;
+        return 1;
+      }
+      Standard_SStream ss(std::ios_base::in | std::ios_base::out | std::ios_base::binary);
+      ss << argv[iarg];
+      Standard_Integer len = static_cast<Standard_Integer>(ss.tellp());
+      aData = new TColStd_HArray1OfByte(1, len);
+      for (Standard_Integer i = 1; i <= len && !ss.eof(); ++i)
+      {
+        ss >> aData->ChangeValue(i);
+      }
+      aFromData = Standard_True;
+    }
+    else if (opt == "--mime")
+    {
+      if (++iarg >= argc)
+      {
+        di << "Error: MIME type is expected.\n" << myCommand;
+        return 1;
+      }
+      aMIMEtype = argv[iarg];
+    }
+    else if (opt == "--user")
+    {
+      if (++iarg >= argc)
+      {
+        di << "Error: user name is expected.\n" << myCommand;
+        return 1;
+      }
+      aUsername = argv[iarg];
+    }
+    else if (opt == "--time")
+    {
+      if (++iarg >= argc)
+      {
+        di << "Error: timestamp is expected.\n" << myCommand;
+        return 1;
+      }
+      aTimestamp = argv[iarg];
+    }
+  }
+
+  Handle(XCAFDoc_NotesTool) aNotesTool = XCAFDoc_DocumentTool::NotesTool(aDoc->Main());
+
+  Handle(XCAFDoc_Note) aNote;
+  if (aFromFile)
+  {
+    OSD_Path aPath(aFilename);
+    OSD_File aFile(aPath);
+    aFile.Open(OSD_ReadOnly, OSD_Protection());
+    aNote = aNotesTool->CreateBinData(aUsername, aTimestamp, aTitle, aMIMEtype, aFile);
+  }
+  else if (aFromData)
+  {
+    aNote = aNotesTool->CreateBinData(aUsername, aTimestamp, aTitle, aMIMEtype, aData);
+  }
+  else
+  {
+    di << "Error: data can be taken either from a file or a data array.\n" << myCommand;
+    return 1;
+  }
+
+  if (!aNote)
+  {
+    di << "Error: couldn't create a binary data note.\n";
+    return 1;
+  }
+
+  di << aNote;
+  return 0;
+}
+
+//=======================================================================
+//function : noteDelete
+//purpose  : deletes a note by the entry
+//=======================================================================
+static const cmd XNoteDelete = {
+  "XNoteDelete", 3, "XNoteDelete Doc note"
+};
+static Standard_Integer
+noteDelete(Draw_Interpretor& di, Standard_Integer argc, const char** argv)
+{
+  static const cmd& myCommand = XNoteDelete;
+
+  if (argc < myCommand.nargsreq)
+  {
+    di << myCommand;
+    return 1;
+  }
+
+  Handle(TDocStd_Document) aDoc;
+  DDocStd::GetDocument(argv[1], aDoc);
+  if (aDoc.IsNull())
+  {
+    return 1;
+  }
+
+  TCollection_ExtendedString anEntry = argv[2];
+
+  TDF_Label aLabel;
+  TDF_Tool::Label(aDoc->GetData(), anEntry, aLabel);
+  if (aLabel.IsNull())
+  {
+    di << anEntry << ": invalid note entry.\n";
+    return 1;
+  }
+
+  Handle(XCAFDoc_NotesTool) aNotesTool = XCAFDoc_DocumentTool::NotesTool(aDoc->Main());
+  if (!aNotesTool->DeleteNote(aLabel))
+  {
+    di << "Error: couldn't delete note.\n";
+    return 1;
+  }
+
+  return 0;
+}
+
+//=======================================================================
+//function : noteDeleteAll
+//purpose  : deletes all notes
+//=======================================================================
+static const cmd XNoteDeleteAll = {
+  "XNoteDeleteAll", 2, "XNoteDeleteAll Doc"
+};
+static Standard_Integer
+noteDeleteAll(Draw_Interpretor& di, Standard_Integer argc, const char** argv)
+{
+  static const cmd& myCommand = XNoteDeleteAll;
+
+  if (argc < myCommand.nargsreq)
+  {
+    di << myCommand;
+    return 1;
+  }
+
+  Handle(TDocStd_Document) aDoc;
+  DDocStd::GetDocument(argv[1], aDoc);
+  if (aDoc.IsNull())
+  {
+    return 1;
+  }
+
+  Handle(XCAFDoc_NotesTool) aNotesTool = XCAFDoc_DocumentTool::NotesTool(aDoc->Main());
+  Standard_Integer nbDeleted = aNotesTool->DeleteAllNotes();
+
+  di << nbDeleted;
+  return 0;
+}
+
+//=======================================================================
+//function : noteDeleteOrphan
+//purpose  : deletes all orphan notes
+//=======================================================================
+static const cmd XNoteDeleteOrphan = {
+  "XNoteDeleteOrphan", 2, "XNoteDeleteOrphan Doc"
+};
+static Standard_Integer
+noteDeleteOrphan(Draw_Interpretor& di, Standard_Integer argc, const char** argv)
+{
+  static const cmd& myCommand = XNoteDeleteOrphan;
+
+  if (argc < myCommand.nargsreq)
+  {
+    di << myCommand;
+    return 1;
+  }
+
+  Handle(TDocStd_Document) aDoc;
+  DDocStd::GetDocument(argv[1], aDoc);
+  if (aDoc.IsNull())
+  {
+    return 1;
+  }
+
+  Handle(XCAFDoc_NotesTool) aNotesTool = XCAFDoc_DocumentTool::NotesTool(aDoc->Main());
+  Standard_Integer nbDeleted = aNotesTool->DeleteOrphanNotes();
+
+  di << nbDeleted;
+  return 0;
+}
+
+//=======================================================================
+//function : noteAdd
+//purpose  : adds a note to a labeled item
+//=======================================================================
+static const cmd XNoteAdd = {
+  "XNoteAdd", 4, "XNoteAdd Doc note item [--attr guid | --subshape num]"
+};
+static Standard_Integer
+noteAdd(Draw_Interpretor& di, Standard_Integer argc, const char** argv)
+{
+  static const cmd& myCommand = XNoteAdd;
+
+  if (argc < myCommand.nargsreq)
+  {
+    di << myCommand;
+    return 1;
+  }
+
+  Standard_Integer iarg = 0;
+
+  Handle(TDocStd_Document) aDoc;
+  DDocStd::GetDocument(argv[++iarg], aDoc);
+  if (aDoc.IsNull())
+  {
+    return 1;
+  }
+
+  TCollection_AsciiString aNoteEntry = argv[++iarg];
+  TCollection_AsciiString anItemEntry = argv[++iarg];
+
+  TDF_Label aNoteLabel;
+  TDF_Tool::Label(aDoc->GetData(), aNoteEntry, aNoteLabel);
+  if (aNoteLabel.IsNull())
+  {
+    di << aNoteEntry << ": invalid note entry.\n";
+    return 1;
+  }
+  XCAFDoc_AssemblyItemId anItemId(anItemEntry);
+  TDF_Label anItemLabel;
+  TDF_Tool::Label(aDoc->GetData(), anItemId.GetPath().Last(), anItemLabel);
+  if (anItemLabel.IsNull())
+  {
+    di << anItemId.ToString() << ": invalid item id.\n";
+    return 1;
+  }
+
+  Standard_GUID aGUID;
+  Standard_Integer aSubshape = 0;
+  Standard_Boolean aHasGUID = Standard_False;
+  Standard_Boolean aHasSubshape = Standard_False;
+  for (++iarg; iarg < argc; ++iarg)
+  {
+    TCollection_AsciiString opt = argv[iarg];
+    if (opt == "--attr")
+    {
+      if (aHasSubshape)
+      {
+        di << "Error: either attribute guid or subshape index must be specified.\n" << myCommand;
+        return 1;
+      }
+      if (++iarg >= argc)
+      {
+        di << "Error: attribute guid is expected.\n" << myCommand;
+        return 1;
+      }
+      TCollection_AsciiString arg = argv[iarg];
+      aGUID = arg.ToCString();
+      aHasGUID = Standard_True;
+    }
+    else if (opt == "--subshape")
+    {
+      if (++iarg >= argc)
+      {
+        di << "Error: subshape index is expected.\n" << myCommand;
+        return 1;
+      }
+      TCollection_AsciiString arg = argv[iarg];
+      if (!arg.IsIntegerValue())
+      {
+        di << "Error: subshape index must be integer value.\n" << myCommand;
+        return 1;
+      }
+      aSubshape = arg.IntegerValue();
+      aHasSubshape = Standard_True;
+    }
+  }
+
+  Handle(XCAFDoc_NotesTool) aNotesTool = XCAFDoc_DocumentTool::NotesTool(aDoc->Main());
+
+  Handle(XCAFDoc_AssemblyItemRef) aRef;
+  if (aHasGUID)
+  {
+    aRef = aNotesTool->AddNoteToAttr(aNoteLabel, anItemId, aGUID);
+  }
+  else if (aHasSubshape)
+  {
+    aRef = aNotesTool->AddNoteToSubshape(aNoteLabel, anItemId, aSubshape);
+  }
+  else
+  {
+    aRef = aNotesTool->AddNote(aNoteLabel, anItemId);
+  }
+
+  if (!aRef)
+  {
+    di << "Error: couldn't add note.\n";
+    return 1;
+  }
+
+  if (aRef->IsOrphan())
+  {
+    di << "Error: annotated item is invalid\n";
+    return 1;
+  }
+
+  di << aRef;
+  return 0;
+}
+
+//=======================================================================
+//function : noteRemove
+//purpose  : removes a note from a labeled item
+//=======================================================================
+static const cmd XNoteRemove = {
+  "XNoteRemove", 4, "XNoteRemove Doc item note [--attr guid | --subshape num] [--del-orphan]"
+};
+static Standard_Integer
+noteRemove(Draw_Interpretor& di, Standard_Integer argc, const char** argv)
+{
+  static const cmd& myCommand = XNoteRemove;
+
+  if (argc < myCommand.nargsreq)
+  {
+    di << myCommand;
+    return 1;
+  }
+
+  Standard_Integer iarg = 0;
+
+  Handle(TDocStd_Document) aDoc;
+  DDocStd::GetDocument(argv[++iarg], aDoc);
+  if (aDoc.IsNull())
+  {
+    return 1;
+  }
+
+  TCollection_AsciiString anItemEntry = argv[++iarg];
+  TCollection_AsciiString aNoteEntry = argv[++iarg];
+
+  TDF_Label aNoteLabel;
+  TDF_Tool::Label(aDoc->GetData(), aNoteEntry, aNoteLabel);
+  if (aNoteLabel.IsNull())
+  {
+    di << aNoteEntry << ": invalid note entry.\n";
+    return 1;
+  }
+  XCAFDoc_AssemblyItemId anItemId(anItemEntry);
+  TDF_Label anItemLabel;
+  TDF_Tool::Label(aDoc->GetData(), anItemId.GetPath().Last(), anItemLabel);
+  if (anItemLabel.IsNull())
+  {
+    di << anItemId.ToString() << ": invalid item id.\n";
+    return 1;
+  }
+
+  Standard_GUID aGUID;
+  Standard_Integer aSubshape = 0;
+  Standard_Boolean aHasGUID = Standard_False;
+  Standard_Boolean aHasSubshape = Standard_False;
+  Standard_Boolean aDelOrphan = Standard_False;
+  for (++iarg; iarg < argc; ++iarg)
+  {
+    TCollection_AsciiString opt = argv[iarg];
+    if (opt == "--attr")
+    {
+      if (aHasSubshape)
+      {
+        di << "Error: either attribute guid or subshape index must be specified.\n" << myCommand;
+        return 1;
+      }
+      if (++iarg >= argc)
+      {
+        di << "Error: attribute guid is expected.\n" << myCommand;
+        return 1;
+      }
+      TCollection_AsciiString arg = argv[iarg];
+      aGUID = arg.ToCString();
+      aHasGUID = Standard_True;
+    }
+    else if (opt == "--subshape")
+    {
+      if (aHasGUID)
+      {
+        di << "Error: either attribute guid or subshape index must be specified.\n" << myCommand;
+        return 1;
+      }
+      if (++iarg >= argc)
+      {
+        di << "Error: subshape index is expected.\n" << myCommand;
+        return 1;
+      }
+      TCollection_AsciiString arg = argv[iarg];
+      if (!arg.IsIntegerValue())
+      {
+        di << "Error: subshape index must be integer value.\n" << myCommand;
+        return 1;
+      }
+      aSubshape = arg.IntegerValue();
+      aHasSubshape = Standard_True;
+    }
+    else if (opt == "--del-orphan")
+    {
+      aDelOrphan = Standard_True;
+    }
+  }
+
+  Handle(XCAFDoc_NotesTool) aNotesTool = XCAFDoc_DocumentTool::NotesTool(aDoc->Main());
+
+  if (aHasGUID)
+  {
+    di << aNotesTool->RemoveAttrNote(aNoteLabel, anItemId, aGUID, aDelOrphan);
+  }
+  else if (aHasSubshape)
+  {
+    di << aNotesTool->RemoveSubshapeNote(aNoteLabel, anItemId, aSubshape, aDelOrphan);
+  }
+  else
+  {
+    di << aNotesTool->RemoveNote(aNoteLabel, anItemId, aDelOrphan);
+  }
+
+  return 0;
+}
+
+//=======================================================================
+//function : noteRemoveAll
+//purpose  : removes all notes from a labeled item
+//=======================================================================
+static const cmd XNoteRemoveAll = {
+  "XNoteRemoveAll", 3, "XNoteRemoveAll Doc item [--attr guid] [--subshape num] [--del-orphan]"
+};
+static Standard_Integer
+noteRemoveAll(Draw_Interpretor& di, Standard_Integer argc, const char** argv)
+{
+  static const cmd& myCommand = XNoteRemoveAll;
+
+  if (argc < myCommand.nargsreq)
+  {
+    di << myCommand;
+    return 1;
+  }
+
+  Standard_Integer iarg = 0;
+
+  Handle(TDocStd_Document) aDoc;
+  DDocStd::GetDocument(argv[++iarg], aDoc);
+  if (aDoc.IsNull())
+  {
+    return 1;
+  }
+
+  TCollection_AsciiString anItemEntry = argv[++iarg];
+
+  XCAFDoc_AssemblyItemId anItemId(anItemEntry);
+  TDF_Label anItemLabel;
+  TDF_Tool::Label(aDoc->GetData(), anItemId.GetPath().Last(), anItemLabel);
+  if (anItemLabel.IsNull())
+  {
+    di << anItemId.ToString() << ": invalid item id.\n";
+    return 1;
+  }
+
+  Standard_GUID aGUID;
+  Standard_Integer aSubshape = 0;
+  Standard_Boolean aHasGUID = Standard_False;
+  Standard_Boolean aHasSubshape = Standard_False;
+  Standard_Boolean aDelOrphan = Standard_False;
+  for (++iarg; iarg < argc; ++iarg)
+  {
+    TCollection_AsciiString opt = argv[iarg];
+    if (opt == "--attr")
+    {
+      if (aHasSubshape)
+      {
+        di << "Error: either attribute guid or subshape index must be specified.\n" << myCommand;
+        return 1;
+      }
+      if (++iarg >= argc)
+      {
+        di << "Error: attribute guid is expected.\n" << myCommand;
+        return 1;
+      }
+      TCollection_AsciiString arg = argv[iarg];
+      aGUID = arg.ToCString();
+      aHasGUID = Standard_True;
+    }
+    else if (opt == "--subshape")
+    {
+      if (aHasGUID)
+      {
+        di << "Error: either attribute guid or subshape index must be specified.\n" << myCommand;
+        return 1;
+      }
+      if (++iarg >= argc)
+      {
+        di << "Error: subshape index is expected.\n" << myCommand;
+        return 1;
+      }
+      TCollection_AsciiString arg = argv[iarg];
+      if (!arg.IsIntegerValue())
+      {
+        di << "Error: subshape index must be integer value.\n" << myCommand;
+        return 1;
+      }
+      aSubshape = arg.IntegerValue();
+      aHasSubshape = Standard_True;
+    }
+    else if (opt == "--del-orphan")
+    {
+      aDelOrphan = Standard_True;
+    }
+  }
+
+  Handle(XCAFDoc_NotesTool) aNotesTool = XCAFDoc_DocumentTool::NotesTool(aDoc->Main());
+
+  if (aHasGUID)
+  {
+    di << aNotesTool->RemoveAllAttrNotes(anItemId, aGUID, aDelOrphan);
+  }
+  else if (aHasSubshape)
+  {
+    di << aNotesTool->RemoveAllSubshapeNotes(anItemId, aSubshape, aDelOrphan);
+  }
+  else
+  {
+    di << aNotesTool->RemoveAllNotes(anItemId, aDelOrphan);
+  }
+
+  return 0;
+}
+
+//=======================================================================
+//function : noteFindAnnotated
+//purpose  : find a label of the annotated item
+//=======================================================================
+static const cmd XNoteFindAnnotated = {
+  "XNoteFindAnnotated", 3, "XNoteFindAnnotated Doc item [--attr guid | --subshape num]"
+};
+static Standard_Integer
+noteFindAnnotated(Draw_Interpretor& di, Standard_Integer argc, const char** argv)
+{
+  static const cmd& myCommand = XNoteFindAnnotated;
+
+  if (argc < myCommand.nargsreq)
+  {
+    di << myCommand;
+    return 1;
+  }
+
+  Standard_Integer iarg = 0;
+
+  Handle(TDocStd_Document) aDoc;
+  DDocStd::GetDocument(argv[++iarg], aDoc);
+  if (aDoc.IsNull())
+  {
+    return 1;
+  }
+
+  TCollection_AsciiString anItemEntry = argv[++iarg];
+
+  XCAFDoc_AssemblyItemId anItemId(anItemEntry);
+  TDF_Label anItemLabel;
+  TDF_Tool::Label(aDoc->GetData(), anItemId.GetPath().Last(), anItemLabel);
+  if (anItemLabel.IsNull())
+  {
+    di << anItemId.ToString() << ": invalid item id.\n";
+    return 1;
+  }
+
+  Standard_GUID aGUID;
+  Standard_Integer aSubshape = 0;
+  Standard_Boolean aHasGUID = Standard_False;
+  Standard_Boolean aHasSubshape = Standard_False;
+  for (++iarg; iarg < argc; ++iarg)
+  {
+    TCollection_AsciiString opt = argv[iarg];
+    if (opt == "--attr")
+    {
+      if (aHasSubshape)
+      {
+        di << "Error: either attribute guid or subshape index must be specified.\n" << myCommand;
+        return 1;
+      }
+      if (++iarg >= argc)
+      {
+        di << "Error: attribute guid is expected.\n" << myCommand;
+        return 1;
+      }
+      TCollection_AsciiString arg = argv[iarg];
+      aGUID = arg.ToCString();
+      aHasGUID = Standard_True;
+    }
+    else if (opt == "--subshape")
+    {
+      if (++iarg >= argc)
+      {
+        di << "Error: subshape index is expected.\n" << myCommand;
+        return 1;
+      }
+      TCollection_AsciiString arg = argv[iarg];
+      if (!arg.IsIntegerValue())
+      {
+        di << "Error: subshape index must be integer value.\n" << myCommand;
+        return 1;
+      }
+      aSubshape = arg.IntegerValue();
+      aHasSubshape = Standard_True;
+    }
+  }
+
+  Handle(XCAFDoc_NotesTool) aNotesTool = XCAFDoc_DocumentTool::NotesTool(aDoc->Main());
+
+  if (aHasGUID)
+  {
+    di << aNotesTool->FindAnnotatedItemAttr(anItemId, aGUID);
+  }
+  else if (aHasSubshape)
+  {
+    di << aNotesTool->FindAnnotatedItemSubshape(anItemId, aSubshape);
+  }
+  else
+  {
+    di << aNotesTool->FindAnnotatedItem(anItemId);
+  }
+
+  return 0;
+}
+
+//=======================================================================
+//function : noteGetNotes
+//purpose  : get notes of the labeled item
+//=======================================================================
+static const cmd XNoteGetNotes = {
+  "XNoteGetNotes", 3, "XNoteGetNotes Doc item [--attr guid | --subshape num]"
+};
+static Standard_Integer
+noteGetNotes(Draw_Interpretor& di, Standard_Integer argc, const char** argv)
+{
+  static const cmd& myCommand = XNoteGetNotes;
+
+  if (argc < myCommand.nargsreq)
+  {
+    di << myCommand;
+    return 1;
+  }
+
+  Standard_Integer iarg = 0;
+
+  Handle(TDocStd_Document) aDoc;
+  DDocStd::GetDocument(argv[++iarg], aDoc);
+  if (aDoc.IsNull())
+  {
+    return 1;
+  }
+
+  TCollection_AsciiString anItemEntry = argv[++iarg];
+
+  XCAFDoc_AssemblyItemId anItemId(anItemEntry);
+  TDF_Label anItemLabel;
+  TDF_Tool::Label(aDoc->GetData(), anItemId.GetPath().Last(), anItemLabel);
+  if (anItemLabel.IsNull())
+  {
+    di << anItemId.ToString() << ": invalid item id.\n";
+    return 1;
+  }
+
+  Standard_GUID aGUID;
+  Standard_Integer aSubshape = 0;
+  Standard_Boolean aHasGUID = Standard_False;
+  Standard_Boolean aHasSubshape = Standard_False;
+  for (++iarg; iarg < argc; ++iarg)
+  {
+    TCollection_AsciiString opt = argv[iarg];
+    if (opt == "--attr")
+    {
+      if (aHasSubshape)
+      {
+        di << "Error: either attribute guid or subshape index must be specified.\n" << myCommand;
+        return 1;
+      }
+      if (++iarg >= argc)
+      {
+        di << "Error: attribute guid is expected.\n" << myCommand;
+        return 1;
+      }
+      TCollection_AsciiString arg = argv[iarg];
+      aGUID = arg.ToCString();
+      aHasGUID = Standard_True;
+    }
+    else if (opt == "--subshape")
+    {
+      if (++iarg >= argc)
+      {
+        di << "Error: subshape index is expected.\n" << myCommand;
+        return 1;
+      }
+      TCollection_AsciiString arg = argv[iarg];
+      if (!arg.IsIntegerValue())
+      {
+        di << "Error: subshape index must be integer value.\n" << myCommand;
+        return 1;
+      }
+      aSubshape = arg.IntegerValue();
+      aHasSubshape = Standard_True;
+    }
+  }
+
+  Handle(XCAFDoc_NotesTool) aNotesTool = XCAFDoc_DocumentTool::NotesTool(aDoc->Main());
+
+  TDF_LabelSequence aNotes;
+  if (aHasGUID)
+  {
+    aNotesTool->GetAttrNotes(anItemId, aGUID, aNotes);
+  }
+  else if (aHasSubshape)
+  {
+    aNotesTool->GetSubshapeNotes(anItemId, aSubshape, aNotes);
+  }
+  else
+  {
+    aNotesTool->GetNotes(anItemId, aNotes);
+  }
+
+  for (TDF_LabelSequence::Iterator anIt(aNotes); anIt.More(); anIt.Next())
+  {
+    di << anIt.Value() << " ";
+  }
+
+  return 0;
+}
+
+//=======================================================================
+//function : noteUsername
+//purpose  : gets a note username
+//=======================================================================
+static const cmd XNoteUsername = {
+  "XNoteUsername", 3, "XNoteUsername Doc note"
+};
+static Standard_Integer
+noteUsername(Draw_Interpretor& di, Standard_Integer argc, const char** argv)
+{
+  static const cmd& myCommand = XNoteUsername;
+
+  if (argc < myCommand.nargsreq)
+  {
+    di << myCommand;
+    return 1;
+  }
+
+  Standard_Integer iarg = 0;
+
+  Handle(TDocStd_Document) aDoc;
+  DDocStd::GetDocument(argv[++iarg], aDoc);
+  if (aDoc.IsNull())
+  {
+    return 1;
+  }
+
+  TCollection_AsciiString aNoteEntry = argv[++iarg];
+
+  TDF_Label aNoteLabel;
+  TDF_Tool::Label(aDoc->GetData(), aNoteEntry, aNoteLabel);
+  if (aNoteLabel.IsNull())
+  {
+    di << aNoteEntry << ": invalid note entry.\n";
+    return 1;
+  }
+
+  Handle(XCAFDoc_Note) aNote = XCAFDoc_Note::Get(aNoteLabel);
+  if (aNote.IsNull())
+  {
+    di << aNoteEntry << ": not a note entry.\n";
+    return 1;
+  }
+
+  di << aNote->UserName();
+
+  return 0;
+}
+
+//=======================================================================
+//function : noteTimestamp
+//purpose  : gets a note timestamp
+//=======================================================================
+static const cmd XNoteTimestamp = {
+  "XNoteTimestamp", 3, "XNoteTimestamp Doc note"
+};
+static Standard_Integer
+noteTimestamp(Draw_Interpretor& di, Standard_Integer argc, const char** argv)
+{
+  static const cmd& myCommand = XNoteTimestamp;
+
+  if (argc < myCommand.nargsreq)
+  {
+    di << myCommand;
+    return 1;
+  }
+
+  Standard_Integer iarg = 0;
+
+  Handle(TDocStd_Document) aDoc;
+  DDocStd::GetDocument(argv[++iarg], aDoc);
+  if (aDoc.IsNull())
+  {
+    return 1;
+  }
+
+  TCollection_AsciiString aNoteEntry = argv[++iarg];
+
+  TDF_Label aNoteLabel;
+  TDF_Tool::Label(aDoc->GetData(), aNoteEntry, aNoteLabel);
+  if (aNoteLabel.IsNull())
+  {
+    di << aNoteEntry << ": invalid note entry.\n";
+    return 1;
+  }
+
+  Handle(XCAFDoc_Note) aNote = XCAFDoc_Note::Get(aNoteLabel);
+  if (aNote.IsNull())
+  {
+    di << aNoteEntry << ": not a note entry.\n";
+    return 1;
+  }
+
+  di << aNote->TimeStamp();
+
+  return 0;
+}
+
+//=======================================================================
+//function : noteDump
+//purpose  : dump a note contents
+//=======================================================================
+static const cmd XNoteDump = {
+  "XNoteDump", 3, "XNoteDump Doc note"
+};
+static Standard_Integer
+noteDump(Draw_Interpretor& di, Standard_Integer argc, const char** argv)
+{
+  static const cmd& myCommand = XNoteDump;
+
+  if (argc < myCommand.nargsreq)
+  {
+    di << myCommand;
+    return 1;
+  }
+
+  Standard_Integer iarg = 0;
+
+  Handle(TDocStd_Document) aDoc;
+  DDocStd::GetDocument(argv[++iarg], aDoc);
+  if (aDoc.IsNull())
+  {
+    return 1;
+  }
+
+  TCollection_AsciiString aNoteEntry = argv[++iarg];
+
+  TDF_Label aNoteLabel;
+  TDF_Tool::Label(aDoc->GetData(), aNoteEntry, aNoteLabel);
+  if (aNoteLabel.IsNull())
+  {
+    di << aNoteEntry << ": invalid note entry.\n";
+    return 1;
+  }
+
+  Handle(XCAFDoc_Note) aNote = XCAFDoc_Note::Get(aNoteLabel);
+  if (aNote.IsNull())
+  {
+    di << aNoteEntry << ": not a note entry.\n";
+    return 1;
+  }
+
+  di << "Username  : " << aNote->UserName() << "\n";
+  di << "Timestamp : " << aNote->TimeStamp() << "\n";
+  di << "Type      : " << aNote->get_type_name() << "\n";
+  if (Handle(XCAFDoc_NoteComment) aComment = Handle(XCAFDoc_NoteComment)::DownCast(aNote))
+  {
+    di << "Comment   : " << aComment->Comment() << "\n";
+  }
+  else if (Handle(XCAFDoc_NoteBalloon) aBalloon = Handle(XCAFDoc_NoteBalloon)::DownCast(aNote))
+  {
+    di << "Comment   : " << aBalloon->Comment() << "\n";
+  }
+  else if (Handle(XCAFDoc_NoteBinData) aBinData = Handle(XCAFDoc_NoteBinData)::DownCast(aNote))
+  {
+    di << "Title     : " << aBinData->Title() << "\n";
+    di << "MIME type : " << aBinData->MIMEtype() << "\n";
+    di << "Size      : " << aBinData->Size() << "\n";
+    static Standard_Integer theMaxLen = 64;
+    const Handle(TColStd_HArray1OfByte)& aData = aBinData->Data();
+    if (!aData.IsNull())
+    {
+      di << "Data      : ";
+      Standard_Integer aLen = Min(aData->Length(), theMaxLen);
+      for (Standard_Integer i = 1; i <= aLen; ++i)
+      {
+        Standard_SStream ss; ss << aData->Value(i);
+        di << ss.str().c_str();
+      }
+      if (aData->Length() > theMaxLen)
+        di << "  ...";
+      di << "\n";
+    }
+  }
+
+  return 0;
+}
+
+//=======================================================================
+//function : noteIsRefOrphan
+//purpose  : checks if a ref is orphan
+//=======================================================================
+static const cmd XNoteRefDump = {
+  "XNoteRefDump", 3, "XNoteRefDump Doc ref"
+};
+static Standard_Integer
+noteRefDump(Draw_Interpretor& di, Standard_Integer argc, const char** argv)
+{
+  static const cmd& myCommand = XNoteRefDump;
+
+  if (argc < myCommand.nargsreq)
+  {
+    di << myCommand;
+    return 1;
+  }
+
+  Standard_Integer iarg = 0;
+
+  Handle(TDocStd_Document) aDoc;
+  DDocStd::GetDocument(argv[++iarg], aDoc);
+  if (aDoc.IsNull())
+  {
+    return 1;
+  }
+
+  TCollection_AsciiString aRefEntry = argv[++iarg];
+
+  TDF_Label aRefLabel;
+  TDF_Tool::Label(aDoc->GetData(), aRefEntry, aRefLabel);
+  if (aRefLabel.IsNull())
+  {
+    di << aRefEntry << ": invalid reference entry.\n";
+    return 1;
+  }
+
+  Handle(XCAFDoc_AssemblyItemRef) aRef = XCAFDoc_AssemblyItemRef::Get(aRefLabel);
+  if (aRef.IsNull())
+  {
+    di << aRefEntry << ": not a reference entry.\n";
+    return 1;
+  }
+
+  di << "Item      : " << aRef->GetItem().ToString() << "\n";
+  if (aRef->HasExtraRef())
+  {
+    if (aRef->IsGUID())
+    {
+      Standard_SStream ss; 
+      aRef->GetGUID().ShallowDump(ss);
+      di << "Attribute : " << ss.str().c_str() << "\n";
+    }
+    else if (aRef->IsSubshapeIndex())
+      di << "Subshape  : " << aRef->GetSubshapeIndex() << "\n";
+  }
+  di << "Orphan    : " << (aRef->IsOrphan() ? "yes" : "no") << "\n";
+
+  return 0;
+}
+
+//=======================================================================
+//function : noteIsRefOrphan
+//purpose  : checks if a ref is orphan
+//=======================================================================
+static const cmd XNoteIsRefOrphan = {
+  "XNoteIsRefOrphan", 3, "XNoteIsRefOrphan Doc ref"
+};
+static Standard_Integer
+noteIsRefOrphan(Draw_Interpretor& di, Standard_Integer argc, const char** argv)
+{
+  static const cmd& myCommand = XNoteIsRefOrphan;
+
+  if (argc < myCommand.nargsreq)
+  {
+    di << myCommand;
+    return 1;
+  }
+
+  Standard_Integer iarg = 0;
+
+  Handle(TDocStd_Document) aDoc;
+  DDocStd::GetDocument(argv[++iarg], aDoc);
+  if (aDoc.IsNull())
+  {
+    return 1;
+  }
+
+  TCollection_AsciiString aRefEntry = argv[++iarg];
+
+  TDF_Label aRefLabel;
+  TDF_Tool::Label(aDoc->GetData(), aRefEntry, aRefLabel);
+  if (aRefLabel.IsNull())
+  {
+    di << aRefEntry << ": invalid reference entry.\n";
+    return 1;
+  }
+
+  Handle(XCAFDoc_AssemblyItemRef) aRef = XCAFDoc_AssemblyItemRef::Get(aRefLabel);
+  if (aRef.IsNull())
+  {
+    di << aRefEntry << ": not a reference entry.\n";
+    return 1;
+  }
+
+  di << aRef->IsOrphan();
+
+  return 0;
+}
+
+//=======================================================================
+//function : InitCommands
+//purpose  : 
+//=======================================================================
+void XDEDRAW_Notes::InitCommands(Draw_Interpretor& di) 
+{
+  static Standard_Boolean initialized = Standard_False;
+  if (initialized)
+  {
+    return;
+  }
+  initialized = Standard_True;
+  
+  Standard_CString g = "XDE Notes commands";
+
+  di.Add(XNoteCount.name, XNoteCount.use,
+    __FILE__, noteCount, g);
+  di.Add(XNoteNotes.name, XNoteNotes.use,
+    __FILE__, noteNotes, g);
+  di.Add(XNoteAnnotations.name, XNoteAnnotations.use,
+    __FILE__, noteAnnotations, g);
+
+  di.Add(XNoteCreateBalloon.name, XNoteCreateBalloon.use,
+    __FILE__, noteCreateBalloon, g);
+  di.Add(XNoteCreateComment.name, XNoteCreateComment.use,
+    __FILE__, noteCreateComment, g);
+  di.Add(XNoteCreateBinData.name, XNoteCreateBinData.use,
+    __FILE__, noteCreateBinData, g);
+  di.Add(XNoteDelete.name, XNoteDelete.use,
+    __FILE__, noteDelete, g);
+  di.Add(XNoteDeleteAll.name, XNoteDeleteAll.use,
+    __FILE__, noteDeleteAll, g);
+  di.Add(XNoteDeleteOrphan.name, XNoteDeleteOrphan.use,
+    __FILE__, noteDeleteOrphan, g);
+
+  di.Add(XNoteAdd.name, XNoteAdd.use,
+    __FILE__, noteAdd, g);
+  di.Add(XNoteRemove.name, XNoteRemove.use,
+    __FILE__, noteRemove, g);
+  di.Add(XNoteRemoveAll.name, XNoteRemoveAll.use,
+    __FILE__, noteRemoveAll, g);
+
+  di.Add(XNoteFindAnnotated.name, XNoteFindAnnotated.use,
+    __FILE__, noteFindAnnotated, g);
+  di.Add(XNoteGetNotes.name, XNoteGetNotes.use,
+    __FILE__, noteGetNotes, g);
+
+  di.Add(XNoteUsername.name, XNoteUsername.use,
+    __FILE__, noteUsername, g);
+  di.Add(XNoteTimestamp.name, XNoteTimestamp.use,
+    __FILE__, noteTimestamp, g);
+  di.Add(XNoteDump.name, XNoteDump.use,
+    __FILE__, noteDump, g);
+
+  di.Add(XNoteRefDump.name, XNoteRefDump.use,
+    __FILE__, noteRefDump, g);
+  di.Add(XNoteIsRefOrphan.name, XNoteIsRefOrphan.use,
+    __FILE__, noteIsRefOrphan, g);
+}
diff --git a/src/XDEDRAW/XDEDRAW_Notes.hxx b/src/XDEDRAW/XDEDRAW_Notes.hxx
new file mode 100644
index 0000000000..c7392af4ea
--- /dev/null
+++ b/src/XDEDRAW/XDEDRAW_Notes.hxx
@@ -0,0 +1,35 @@
+// Created on: 2017-08-09
+// Created by: Sergey NIKONOV
+// Copyright (c) 2016 OPEN CASCADE SAS
+//
+// This file is part of Open CASCADE Technology software library.
+//
+// This library is free software; you can redistribute it and/or modify it under
+// the terms of the GNU Lesser General Public License version 2.1 as published
+// by the Free Software Foundation, with special exception defined in the file
+// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
+// distribution for complete text of the license and disclaimer of any warranty.
+//
+// Alternatively, this file may be used under the terms of Open CASCADE
+// commercial license or contractual agreement.
+
+#ifndef _XDEDRAW_Notes_HeaderFile
+#define _XDEDRAW_Notes_HeaderFile
+
+#include <Standard.hxx>
+#include <Standard_DefineAlloc.hxx>
+#include <Standard_Handle.hxx>
+
+#include <Draw_Interpretor.hxx>
+
+//! Contains commands to work with notes
+class XDEDRAW_Notes 
+{
+public:
+
+  DEFINE_STANDARD_ALLOC
+
+  Standard_EXPORT static void InitCommands (Draw_Interpretor& theCommands);
+};
+
+#endif // _XDEDRAW_Notes_HeaderFile
diff --git a/src/XmlMXCAFDoc/FILES b/src/XmlMXCAFDoc/FILES
index d93ba3b27c..965d5fbf55 100644
--- a/src/XmlMXCAFDoc/FILES
+++ b/src/XmlMXCAFDoc/FILES
@@ -1,5 +1,7 @@
 XmlMXCAFDoc.cxx
 XmlMXCAFDoc.hxx
+XmlMXCAFDoc_AssemblyItemRefDriver.cxx
+XmlMXCAFDoc_AssemblyItemRefDriver.hxx
 XmlMXCAFDoc_AreaDriver.cxx
 XmlMXCAFDoc_AreaDriver.hxx
 XmlMXCAFDoc_CentroidDriver.cxx
@@ -29,6 +31,16 @@ XmlMXCAFDoc_MaterialDriver.cxx
 XmlMXCAFDoc_MaterialDriver.hxx
 XmlMXCAFDoc_MaterialToolDriver.cxx
 XmlMXCAFDoc_MaterialToolDriver.hxx
+XmlMXCAFDoc_NoteDriver.cxx
+XmlMXCAFDoc_NoteDriver.hxx
+XmlMXCAFDoc_NoteBalloonDriver.cxx
+XmlMXCAFDoc_NoteBalloonDriver.hxx
+XmlMXCAFDoc_NoteCommentDriver.cxx
+XmlMXCAFDoc_NoteCommentDriver.hxx
+XmlMXCAFDoc_NoteBinDataDriver.cxx
+XmlMXCAFDoc_NoteBinDataDriver.hxx
+XmlMXCAFDoc_NotesToolDriver.cxx
+XmlMXCAFDoc_NotesToolDriver.hxx
 XmlMXCAFDoc_ShapeToolDriver.cxx
 XmlMXCAFDoc_ShapeToolDriver.hxx
 XmlMXCAFDoc_ViewToolDriver.cxx
diff --git a/src/XmlMXCAFDoc/XmlMXCAFDoc.cxx b/src/XmlMXCAFDoc/XmlMXCAFDoc.cxx
index fe596313b0..2ce8743dae 100644
--- a/src/XmlMXCAFDoc/XmlMXCAFDoc.cxx
+++ b/src/XmlMXCAFDoc/XmlMXCAFDoc.cxx
@@ -19,6 +19,7 @@
 #include <XmlMDF_ADriverTable.hxx>
 #include <XmlMNaming_NamedShapeDriver.hxx>
 #include <XmlMXCAFDoc.hxx>
+#include <XmlMXCAFDoc_AssemblyItemRefDriver.hxx>
 #include <XmlMXCAFDoc_AreaDriver.hxx>
 #include <XmlMXCAFDoc_CentroidDriver.hxx>
 #include <XmlMXCAFDoc_ClippingPlaneToolDriver.hxx>
@@ -32,6 +33,10 @@
 #include <XmlMXCAFDoc_LayerToolDriver.hxx>
 #include <XmlMXCAFDoc_LocationDriver.hxx>
 #include <XmlMXCAFDoc_MaterialDriver.hxx>
+#include <XmlMXCAFDoc_NotesToolDriver.hxx>
+#include <XmlMXCAFDoc_NoteBalloonDriver.hxx>
+#include <XmlMXCAFDoc_NoteCommentDriver.hxx>
+#include <XmlMXCAFDoc_NoteBinDataDriver.hxx>
 #include <XmlMXCAFDoc_MaterialToolDriver.hxx>
 #include <XmlMXCAFDoc_ShapeToolDriver.hxx>
 #include <XmlMXCAFDoc_ViewToolDriver.hxx>
@@ -61,11 +66,15 @@ void XmlMXCAFDoc::AddDrivers (const Handle(XmlMDF_ADriverTable)& aDriverTable,
     aLocationDriver->SetSharedLocations( &(aNamedShapeDriver->GetShapesLocations()) );
   }
   
-  aDriverTable -> AddDriver( aLocationDriver);
-  aDriverTable -> AddDriver (new XmlMXCAFDoc_VolumeDriver    (anMsgDrv));
-  aDriverTable -> AddDriver (new XmlMXCAFDoc_DatumDriver     (anMsgDrv));
-  aDriverTable -> AddDriver (new XmlMXCAFDoc_DimTolDriver    (anMsgDrv));
-  aDriverTable -> AddDriver (new XmlMXCAFDoc_MaterialDriver  (anMsgDrv));
+  aDriverTable -> AddDriver (aLocationDriver);
+  aDriverTable -> AddDriver (new XmlMXCAFDoc_AssemblyItemRefDriver(anMsgDrv));
+  aDriverTable -> AddDriver (new XmlMXCAFDoc_VolumeDriver     (anMsgDrv));
+  aDriverTable -> AddDriver (new XmlMXCAFDoc_DatumDriver      (anMsgDrv));
+  aDriverTable -> AddDriver (new XmlMXCAFDoc_DimTolDriver     (anMsgDrv));
+  aDriverTable -> AddDriver (new XmlMXCAFDoc_MaterialDriver   (anMsgDrv));
+  aDriverTable -> AddDriver (new XmlMXCAFDoc_NoteBalloonDriver(anMsgDrv));
+  aDriverTable -> AddDriver (new XmlMXCAFDoc_NoteCommentDriver(anMsgDrv));
+  aDriverTable -> AddDriver (new XmlMXCAFDoc_NoteBinDataDriver(anMsgDrv));
 
   aDriverTable -> AddDriver (new XmlMXCAFDoc_ColorToolDriver    (anMsgDrv));
   aDriverTable -> AddDriver (new XmlMXCAFDoc_DocumentToolDriver (anMsgDrv));
@@ -73,6 +82,7 @@ void XmlMXCAFDoc::AddDrivers (const Handle(XmlMDF_ADriverTable)& aDriverTable,
   aDriverTable -> AddDriver (new XmlMXCAFDoc_ShapeToolDriver    (anMsgDrv));
   aDriverTable -> AddDriver (new XmlMXCAFDoc_DimTolToolDriver   (anMsgDrv));
   aDriverTable -> AddDriver (new XmlMXCAFDoc_MaterialToolDriver (anMsgDrv));
+  aDriverTable -> AddDriver (new XmlMXCAFDoc_NotesToolDriver    (anMsgDrv));
   aDriverTable -> AddDriver (new XmlMXCAFDoc_ViewToolDriver     (anMsgDrv));
   aDriverTable -> AddDriver (new XmlMXCAFDoc_ClippingPlaneToolDriver(anMsgDrv));
 }
diff --git a/src/XmlMXCAFDoc/XmlMXCAFDoc.hxx b/src/XmlMXCAFDoc/XmlMXCAFDoc.hxx
index b82e95b358..9f5582e68e 100644
--- a/src/XmlMXCAFDoc/XmlMXCAFDoc.hxx
+++ b/src/XmlMXCAFDoc/XmlMXCAFDoc.hxx
@@ -31,6 +31,10 @@ class XmlMXCAFDoc_VolumeDriver;
 class XmlMXCAFDoc_DatumDriver;
 class XmlMXCAFDoc_DimTolDriver;
 class XmlMXCAFDoc_MaterialDriver;
+class XmlMXCAFDoc_NotesToolDriver;
+class XmlMXCAFDoc_NoteDriver;
+class XmlMXCAFDoc_NoteCommentDriver;
+class XmlMXCAFDoc_NoteBinDataDriver;
 class XmlMXCAFDoc_ClippingPlaneToolDriver;
 class XmlMXCAFDoc_ColorToolDriver;
 class XmlMXCAFDoc_DocumentToolDriver;
diff --git a/src/XmlMXCAFDoc/XmlMXCAFDoc_AssemblyItemRefDriver.cxx b/src/XmlMXCAFDoc/XmlMXCAFDoc_AssemblyItemRefDriver.cxx
new file mode 100644
index 0000000000..f9fe9fb022
--- /dev/null
+++ b/src/XmlMXCAFDoc/XmlMXCAFDoc_AssemblyItemRefDriver.cxx
@@ -0,0 +1,117 @@
+// Created on: 2017-02-14
+// Created by: Sergey NIKONOV
+// Copyright (c) 2008-2017 OPEN CASCADE SAS
+//
+// This file is part of Open CASCADE Technology software library.
+//
+// This library is free software; you can redistribute it and/or modify it under
+// the terms of the GNU Lesser General Public License version 2.1 as published
+// by the Free Software Foundation, with special exception defined in the file
+// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
+// distribution for complete text of the license and disclaimer of any warranty.
+//
+// Alternatively, this file may be used under the terms of Open CASCADE
+// commercial license or contractual agreement.
+
+#include <CDM_MessageDriver.hxx>
+#include <Standard_Type.hxx>
+#include <TDF_Attribute.hxx>
+#include <XCAFDoc_AssemblyItemRef.hxx>
+#include <XmlMXCAFDoc_AssemblyItemRefDriver.hxx>
+#include <XmlObjMgt_Persistent.hxx>
+
+IMPLEMENT_STANDARD_RTTIEXT(XmlMXCAFDoc_AssemblyItemRefDriver, XmlMDF_ADriver)
+IMPLEMENT_DOMSTRING(Path, "path")
+IMPLEMENT_DOMSTRING(AttrGUID, "guid")
+IMPLEMENT_DOMSTRING(SubshapeIndex, "subshape_index")
+
+//=======================================================================
+//function :
+//purpose  : 
+//=======================================================================
+XmlMXCAFDoc_AssemblyItemRefDriver::XmlMXCAFDoc_AssemblyItemRefDriver(const Handle(CDM_MessageDriver)& theMsgDriver)
+: XmlMDF_ADriver(theMsgDriver, STANDARD_TYPE(XCAFDoc_AssemblyItemRef)->Name())
+{
+}
+
+//=======================================================================
+//function :
+//purpose  : 
+//=======================================================================
+Handle(TDF_Attribute) XmlMXCAFDoc_AssemblyItemRefDriver::NewEmpty() const
+{
+  return new XCAFDoc_AssemblyItemRef();
+}
+
+//=======================================================================
+//function :
+//purpose  : 
+//=======================================================================
+Standard_Boolean XmlMXCAFDoc_AssemblyItemRefDriver::Paste(const XmlObjMgt_Persistent&  theSource,
+                                                          const Handle(TDF_Attribute)& theTarget,
+                                                          XmlObjMgt_RRelocationTable&  /*theRelocTable*/) const
+{
+  const XmlObjMgt_Element& anElement = theSource;
+
+  XmlObjMgt_DOMString aPath = anElement.getAttribute(::Path());
+  if (aPath == NULL)
+    return Standard_False;
+
+  Handle(XCAFDoc_AssemblyItemRef) aThis = Handle(XCAFDoc_AssemblyItemRef)::DownCast(theTarget);
+  if (aThis.IsNull())
+    return Standard_False;
+
+  aThis->SetItem(aPath.GetString());
+
+  XmlObjMgt_DOMString anAttrGUID = anElement.getAttribute(::AttrGUID());
+  if (anAttrGUID != NULL)
+  {
+    Standard_GUID aGUID(anAttrGUID.GetString());
+    aThis->SetGUID(aGUID);
+    return Standard_True;
+  }
+
+  XmlObjMgt_DOMString aSubshapeIndex = anElement.getAttribute(::SubshapeIndex());
+  if (aSubshapeIndex != NULL)
+  {
+    Standard_Integer anIndex;
+    if (!aSubshapeIndex.GetInteger(anIndex))
+      return Standard_False;
+
+    aThis->SetSubshapeIndex(anIndex);
+    return Standard_True;
+  }
+
+  return Standard_True;
+}
+
+//=======================================================================
+//function :
+//purpose  : 
+//=======================================================================
+void XmlMXCAFDoc_AssemblyItemRefDriver::Paste(const Handle(TDF_Attribute)& theSource,
+                                              XmlObjMgt_Persistent&        theTarget,
+                                              XmlObjMgt_SRelocationTable&  /*theRelocTable*/) const
+{
+  Handle(XCAFDoc_AssemblyItemRef) aThis = Handle(XCAFDoc_AssemblyItemRef)::DownCast(theSource);
+
+  XmlObjMgt_DOMString aPath(aThis->GetItem().ToString().ToCString());
+  theTarget.Element().setAttribute(::Path(), aPath);
+
+  if (aThis->IsGUID())
+  {
+    Standard_GUID aGUID = aThis->GetGUID();
+    Standard_Character aGUIDStr[Standard_GUID_SIZE + 1];
+    aGUID.ToCString(aGUIDStr);
+    aGUIDStr[Standard_GUID_SIZE] = '\0';
+    XmlObjMgt_DOMString anAttrGUID(aGUIDStr);
+    theTarget.Element().setAttribute(::AttrGUID(), anAttrGUID);
+  }
+  else if (aThis->IsSubshapeIndex())
+  {
+    TCollection_AsciiString aSubshapeIndexStr(aThis->GetSubshapeIndex());
+    XmlObjMgt_DOMString aSubshapeIndex(aSubshapeIndexStr.ToCString());
+    theTarget.Element().setAttribute(::SubshapeIndex(), aSubshapeIndex);
+  }
+
+}
diff --git a/src/XmlMXCAFDoc/XmlMXCAFDoc_AssemblyItemRefDriver.hxx b/src/XmlMXCAFDoc/XmlMXCAFDoc_AssemblyItemRefDriver.hxx
new file mode 100644
index 0000000000..2be1a1e751
--- /dev/null
+++ b/src/XmlMXCAFDoc/XmlMXCAFDoc_AssemblyItemRefDriver.hxx
@@ -0,0 +1,55 @@
+// Created on: 2017-02-16
+// Created by: Sergey NIKONOV
+// Copyright (c) 2008-2017 OPEN CASCADE SAS
+//
+// This file is part of Open CASCADE Technology software library.
+//
+// This library is free software; you can redistribute it and/or modify it under
+// the terms of the GNU Lesser General Public License version 2.1 as published
+// by the Free Software Foundation, with special exception defined in the file
+// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
+// distribution for complete text of the license and disclaimer of any warranty.
+//
+// Alternatively, this file may be used under the terms of Open CASCADE
+// commercial license or contractual agreement.
+
+#ifndef _XmlMXCAFDoc_AssemblyItemRefDriver_HeaderFile
+#define _XmlMXCAFDoc_AssemblyItemRefDriver_HeaderFile
+
+#include <Standard.hxx>
+#include <Standard_Type.hxx>
+
+#include <XmlMDF_ADriver.hxx>
+#include <Standard_Boolean.hxx>
+#include <XmlObjMgt_RRelocationTable.hxx>
+#include <XmlObjMgt_SRelocationTable.hxx>
+
+class CDM_MessageDriver;
+class TDF_Attribute;
+class XmlObjMgt_Persistent;
+
+class XmlMXCAFDoc_AssemblyItemRefDriver;
+DEFINE_STANDARD_HANDLE(XmlMXCAFDoc_AssemblyItemRefDriver, XmlMDF_ADriver)
+
+//! Attribute Driver.
+class XmlMXCAFDoc_AssemblyItemRefDriver : public XmlMDF_ADriver
+{
+public:
+
+  Standard_EXPORT XmlMXCAFDoc_AssemblyItemRefDriver(const Handle(CDM_MessageDriver)& theMessageDriver);
+
+  Standard_EXPORT Handle(TDF_Attribute) NewEmpty() const Standard_OVERRIDE;
+
+  Standard_EXPORT Standard_Boolean Paste(const XmlObjMgt_Persistent&  theSource,
+                                         const Handle(TDF_Attribute)& theTarget,
+                                         XmlObjMgt_RRelocationTable&  theRelocTable) const Standard_OVERRIDE;
+
+  Standard_EXPORT void Paste(const Handle(TDF_Attribute)& theSource,
+                             XmlObjMgt_Persistent&        theTarget,
+                             XmlObjMgt_SRelocationTable&  theRelocTable) const Standard_OVERRIDE;
+
+  DEFINE_STANDARD_RTTIEXT(XmlMXCAFDoc_AssemblyItemRefDriver, XmlMDF_ADriver)
+
+};
+
+#endif // _XmlMXCAFDoc_AssemblyItemRefDriver_HeaderFile
diff --git a/src/XmlMXCAFDoc/XmlMXCAFDoc_NoteBalloonDriver.cxx b/src/XmlMXCAFDoc/XmlMXCAFDoc_NoteBalloonDriver.cxx
new file mode 100644
index 0000000000..f3e5449134
--- /dev/null
+++ b/src/XmlMXCAFDoc/XmlMXCAFDoc_NoteBalloonDriver.cxx
@@ -0,0 +1,52 @@
+// Created on: 2017-08-10
+// Created by: Sergey NIKONOV
+// Copyright (c) 2008-2017 OPEN CASCADE SAS
+//
+// This file is part of Open CASCADE Technology software library.
+//
+// This library is free software; you can redistribute it and/or modify it under
+// the terms of the GNU Lesser General Public License version 2.1 as published
+// by the Free Software Foundation, with special exception defined in the file
+// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
+// distribution for complete text of the license and disclaimer of any warranty.
+//
+// Alternatively, this file may be used under the terms of Open CASCADE
+// commercial license or contractual agreement.
+
+#include <CDM_MessageDriver.hxx>
+#include <Standard_Type.hxx>
+#include <TDF_Attribute.hxx>
+#include <XCAFDoc_NoteBalloon.hxx>
+#include <XmlMXCAFDoc_NoteBalloonDriver.hxx>
+#include <XmlObjMgt_Persistent.hxx>
+
+IMPLEMENT_STANDARD_RTTIEXT(XmlMXCAFDoc_NoteBalloonDriver, XmlMXCAFDoc_NoteCommentDriver)
+
+//=======================================================================
+//function :
+//purpose  : 
+//=======================================================================
+XmlMXCAFDoc_NoteBalloonDriver::XmlMXCAFDoc_NoteBalloonDriver(const Handle(CDM_MessageDriver)& theMsgDriver)
+  : XmlMXCAFDoc_NoteCommentDriver(theMsgDriver, STANDARD_TYPE(XCAFDoc_NoteBalloon)->Name())
+{
+}
+
+//=======================================================================
+//function :
+//purpose  : 
+//=======================================================================
+Handle(TDF_Attribute) XmlMXCAFDoc_NoteBalloonDriver::NewEmpty() const
+{
+  return new XCAFDoc_NoteBalloon();
+}
+
+//=======================================================================
+//function :
+//purpose  : 
+//=======================================================================
+XmlMXCAFDoc_NoteBalloonDriver::XmlMXCAFDoc_NoteBalloonDriver(const Handle(CDM_MessageDriver)& theMsgDriver,
+                                                             Standard_CString                 theName)
+  : XmlMXCAFDoc_NoteCommentDriver(theMsgDriver, theName)
+{
+
+}
diff --git a/src/XmlMXCAFDoc/XmlMXCAFDoc_NoteBalloonDriver.hxx b/src/XmlMXCAFDoc/XmlMXCAFDoc_NoteBalloonDriver.hxx
new file mode 100644
index 0000000000..9db95bc4e5
--- /dev/null
+++ b/src/XmlMXCAFDoc/XmlMXCAFDoc_NoteBalloonDriver.hxx
@@ -0,0 +1,42 @@
+// Created on: 2017-08-10
+// Created by: Sergey NIKONOV
+// Copyright (c) 2008-2017 OPEN CASCADE SAS
+//
+// This file is part of Open CASCADE Technology software library.
+//
+// This library is free software; you can redistribute it and/or modify it under
+// the terms of the GNU Lesser General Public License version 2.1 as published
+// by the Free Software Foundation, with special exception defined in the file
+// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
+// distribution for complete text of the license and disclaimer of any warranty.
+//
+// Alternatively, this file may be used under the terms of Open CASCADE
+// commercial license or contractual agreement.
+
+#ifndef _XmlMXCAFDoc_NoteBalloonDriver_HeaderFile
+#define _XmlMXCAFDoc_NoteBalloonDriver_HeaderFile
+
+#include <XmlMXCAFDoc_NoteCommentDriver.hxx>
+
+class XmlMXCAFDoc_NoteBalloonDriver;
+DEFINE_STANDARD_HANDLE(XmlMXCAFDoc_NoteBalloonDriver, XmlMXCAFDoc_NoteCommentDriver)
+
+//! Attribute Driver.
+class XmlMXCAFDoc_NoteBalloonDriver : public XmlMXCAFDoc_NoteCommentDriver
+{
+public:
+
+  Standard_EXPORT XmlMXCAFDoc_NoteBalloonDriver(const Handle(CDM_MessageDriver)& theMessageDriver);
+
+  Standard_EXPORT Handle(TDF_Attribute) NewEmpty() const Standard_OVERRIDE;
+
+  DEFINE_STANDARD_RTTIEXT(XmlMXCAFDoc_NoteBalloonDriver, XmlMXCAFDoc_NoteCommentDriver)
+
+protected:
+
+  XmlMXCAFDoc_NoteBalloonDriver(const Handle(CDM_MessageDriver)& theMsgDriver,
+                                Standard_CString                 theName);
+
+};
+
+#endif // _XmlMXCAFDoc_NoteBalloonDriver_HeaderFile
diff --git a/src/XmlMXCAFDoc/XmlMXCAFDoc_NoteBinDataDriver.cxx b/src/XmlMXCAFDoc/XmlMXCAFDoc_NoteBinDataDriver.cxx
new file mode 100644
index 0000000000..7a0c9c413e
--- /dev/null
+++ b/src/XmlMXCAFDoc/XmlMXCAFDoc_NoteBinDataDriver.cxx
@@ -0,0 +1,121 @@
+// Created on: 2017-02-14
+// Created by: Sergey NIKONOV
+// Copyright (c) 2008-2017 OPEN CASCADE SAS
+//
+// This file is part of Open CASCADE Technology software library.
+//
+// This library is free software; you can redistribute it and/or modify it under
+// the terms of the GNU Lesser General Public License version 2.1 as published
+// by the Free Software Foundation, with special exception defined in the file
+// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
+// distribution for complete text of the license and disclaimer of any warranty.
+//
+// Alternatively, this file may be used under the terms of Open CASCADE
+// commercial license or contractual agreement.
+
+#include <CDM_MessageDriver.hxx>
+#include <Standard_Type.hxx>
+#include <TDF_Attribute.hxx>
+#include <XCAFDoc_NoteBinData.hxx>
+#include <XmlObjMgt.hxx>
+#include <XmlMXCAFDoc_NoteBinDataDriver.hxx>
+#include <XmlObjMgt_Persistent.hxx>
+#include <LDOM_OSStream.hxx>
+
+IMPLEMENT_STANDARD_RTTIEXT(XmlMXCAFDoc_NoteBinDataDriver, XmlMXCAFDoc_NoteDriver)
+IMPLEMENT_DOMSTRING(Title, "title")
+IMPLEMENT_DOMSTRING(MIMEtype, "mime_type")
+IMPLEMENT_DOMSTRING(Size, "size")
+
+//=======================================================================
+//function :
+//purpose  : 
+//=======================================================================
+XmlMXCAFDoc_NoteBinDataDriver::XmlMXCAFDoc_NoteBinDataDriver(const Handle(CDM_MessageDriver)& theMsgDriver)
+  : XmlMXCAFDoc_NoteDriver(theMsgDriver, STANDARD_TYPE(XCAFDoc_NoteBinData)->Name())
+{
+}
+
+//=======================================================================
+//function :
+//purpose  : 
+//=======================================================================
+Handle(TDF_Attribute) XmlMXCAFDoc_NoteBinDataDriver::NewEmpty() const
+{
+  return new XCAFDoc_NoteBinData();
+}
+
+//=======================================================================
+//function :
+//purpose  : 
+//=======================================================================
+Standard_Boolean XmlMXCAFDoc_NoteBinDataDriver::Paste(const XmlObjMgt_Persistent&  theSource,
+                                                      const Handle(TDF_Attribute)& theTarget,
+                                                      XmlObjMgt_RRelocationTable&  theRelocTable) const
+{
+  XmlMXCAFDoc_NoteDriver::Paste(theSource, theTarget, theRelocTable);
+
+  const XmlObjMgt_Element& anElement = theSource;
+
+  XmlObjMgt_DOMString aTitle = anElement.getAttribute(::Title());
+  XmlObjMgt_DOMString aMIMEtype = anElement.getAttribute(::MIMEtype());
+  XmlObjMgt_DOMString aSize = anElement.getAttribute(::Size());
+  if (aTitle == NULL || aMIMEtype == NULL || aSize == NULL)
+    return Standard_False;
+
+  Handle(XCAFDoc_NoteBinData) aNote = Handle(XCAFDoc_NoteBinData)::DownCast(theTarget);
+  if (aNote.IsNull())
+    return Standard_False;
+
+  Standard_Integer nbSize = 0;
+  if (!aSize.GetInteger(nbSize))
+    return Standard_False;
+
+  XmlObjMgt_DOMString aDataStr = XmlObjMgt::GetStringValue(theSource);
+  Standard_SStream anSS(aDataStr.GetString());
+
+  Handle(TColStd_HArray1OfByte) aData = new TColStd_HArray1OfByte(1, nbSize);
+  for (Standard_Integer i = 1; i <= nbSize; ++i)
+  {
+    Standard_Byte aValue;
+    anSS >> aValue;
+    aData->ChangeValue(i) = aValue;
+  }
+
+  aNote->Set(aTitle.GetString(), aMIMEtype.GetString(), aData);
+
+  return Standard_True;
+}
+
+//=======================================================================
+//function :
+//purpose  : 
+//=======================================================================
+void XmlMXCAFDoc_NoteBinDataDriver::Paste(const Handle(TDF_Attribute)& theSource,
+                                          XmlObjMgt_Persistent&        theTarget,
+                                          XmlObjMgt_SRelocationTable&  theRelocTable) const
+{
+  XmlMXCAFDoc_NoteDriver::Paste(theSource, theTarget, theRelocTable);
+
+  Handle(XCAFDoc_NoteBinData) aNote = Handle(XCAFDoc_NoteBinData)::DownCast(theSource);
+
+  XmlObjMgt_DOMString aTitle(TCollection_AsciiString(aNote->Title()).ToCString());
+  XmlObjMgt_DOMString aMIMEtype(aNote->MIMEtype().ToCString());
+
+  theTarget.Element().setAttribute(::Title(), aTitle);
+  theTarget.Element().setAttribute(::MIMEtype(), aMIMEtype);
+  theTarget.Element().setAttribute(::Size(), aNote->Size());
+
+  if (aNote->Size() > 0)
+  {
+    const Handle(TColStd_HArray1OfByte)& aData = aNote->Data();
+    LDOM_OSStream anOSS(aNote->Size());
+    for (Standard_Integer i = aData->Lower(); i <= aData->Upper(); ++i)
+    {
+      anOSS << std::hex << aData->Value(i);
+    }
+    Standard_Character* dump = (Standard_Character*)anOSS.str(); // copying! Don't forget to delete it.
+    XmlObjMgt::SetStringValue(theTarget, dump, Standard_True);
+    delete[] dump;
+  }
+}
diff --git a/src/XmlMXCAFDoc/XmlMXCAFDoc_NoteBinDataDriver.hxx b/src/XmlMXCAFDoc/XmlMXCAFDoc_NoteBinDataDriver.hxx
new file mode 100644
index 0000000000..cca07af0bb
--- /dev/null
+++ b/src/XmlMXCAFDoc/XmlMXCAFDoc_NoteBinDataDriver.hxx
@@ -0,0 +1,45 @@
+// Created on: 2017-02-14
+// Created by: Sergey NIKONOV
+// Copyright (c) 2008-2017 OPEN CASCADE SAS
+//
+// This file is part of Open CASCADE Technology software library.
+//
+// This library is free software; you can redistribute it and/or modify it under
+// the terms of the GNU Lesser General Public License version 2.1 as published
+// by the Free Software Foundation, with special exception defined in the file
+// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
+// distribution for complete text of the license and disclaimer of any warranty.
+//
+// Alternatively, this file may be used under the terms of Open CASCADE
+// commercial license or contractual agreement.
+
+#ifndef _XmlMXCAFDoc_NoteBinDataDriver_HeaderFile
+#define _XmlMXCAFDoc_NoteBinDataDriver_HeaderFile
+
+#include <XmlMXCAFDoc_NoteDriver.hxx>
+
+class XmlMXCAFDoc_NoteBinDataDriver;
+DEFINE_STANDARD_HANDLE(XmlMXCAFDoc_NoteBinDataDriver, XmlMXCAFDoc_NoteDriver)
+
+//! Attribute Driver.
+class XmlMXCAFDoc_NoteBinDataDriver : public XmlMXCAFDoc_NoteDriver
+{
+public:
+
+  Standard_EXPORT XmlMXCAFDoc_NoteBinDataDriver(const Handle(CDM_MessageDriver)& theMessageDriver);
+
+  Standard_EXPORT Handle(TDF_Attribute) NewEmpty() const Standard_OVERRIDE;
+
+  Standard_EXPORT Standard_Boolean Paste(const XmlObjMgt_Persistent&  theSource,
+                                         const Handle(TDF_Attribute)& theTarget,
+                                         XmlObjMgt_RRelocationTable&  theRelocTable) const Standard_OVERRIDE;
+
+  Standard_EXPORT void Paste(const Handle(TDF_Attribute)& theSource,
+                             XmlObjMgt_Persistent&        theTarget,
+                             XmlObjMgt_SRelocationTable&  theRelocTable) const Standard_OVERRIDE;
+
+  DEFINE_STANDARD_RTTIEXT(XmlMXCAFDoc_NoteBinDataDriver, XmlMXCAFDoc_NoteDriver)
+
+};
+
+#endif // _XmlMXCAFDoc_NoteBinDataDriver_HeaderFile
diff --git a/src/XmlMXCAFDoc/XmlMXCAFDoc_NoteCommentDriver.cxx b/src/XmlMXCAFDoc/XmlMXCAFDoc_NoteCommentDriver.cxx
new file mode 100644
index 0000000000..b3e661e4e0
--- /dev/null
+++ b/src/XmlMXCAFDoc/XmlMXCAFDoc_NoteCommentDriver.cxx
@@ -0,0 +1,95 @@
+// Created on: 2017-02-14
+// Created by: Sergey NIKONOV
+// Copyright (c) 2008-2017 OPEN CASCADE SAS
+//
+// This file is part of Open CASCADE Technology software library.
+//
+// This library is free software; you can redistribute it and/or modify it under
+// the terms of the GNU Lesser General Public License version 2.1 as published
+// by the Free Software Foundation, with special exception defined in the file
+// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
+// distribution for complete text of the license and disclaimer of any warranty.
+//
+// Alternatively, this file may be used under the terms of Open CASCADE
+// commercial license or contractual agreement.
+
+#include <CDM_MessageDriver.hxx>
+#include <Standard_Type.hxx>
+#include <TDF_Attribute.hxx>
+#include <XCAFDoc_NoteComment.hxx>
+#include <XmlMXCAFDoc_NoteCommentDriver.hxx>
+#include <XmlObjMgt_Persistent.hxx>
+
+IMPLEMENT_STANDARD_RTTIEXT(XmlMXCAFDoc_NoteCommentDriver, XmlMXCAFDoc_NoteDriver)
+IMPLEMENT_DOMSTRING(Comment, "comment")
+
+//=======================================================================
+//function :
+//purpose  : 
+//=======================================================================
+XmlMXCAFDoc_NoteCommentDriver::XmlMXCAFDoc_NoteCommentDriver(const Handle(CDM_MessageDriver)& theMsgDriver)
+  : XmlMXCAFDoc_NoteDriver(theMsgDriver, STANDARD_TYPE(XCAFDoc_NoteComment)->Name())
+{
+}
+
+//=======================================================================
+//function :
+//purpose  : 
+//=======================================================================
+Handle(TDF_Attribute) XmlMXCAFDoc_NoteCommentDriver::NewEmpty() const
+{
+  return new XCAFDoc_NoteComment();
+}
+
+//=======================================================================
+//function :
+//purpose  : 
+//=======================================================================
+Standard_Boolean XmlMXCAFDoc_NoteCommentDriver::Paste(const XmlObjMgt_Persistent&  theSource,
+                                                      const Handle(TDF_Attribute)& theTarget,
+                                                      XmlObjMgt_RRelocationTable&  theRelocTable) const
+{
+  XmlMXCAFDoc_NoteDriver::Paste(theSource, theTarget, theRelocTable);
+
+  const XmlObjMgt_Element& anElement = theSource;
+
+  XmlObjMgt_DOMString aComment = anElement.getAttribute(::Comment());
+  if (aComment == NULL)
+    return Standard_False;
+
+  Handle(XCAFDoc_NoteComment) aNote = Handle(XCAFDoc_NoteComment)::DownCast(theTarget);
+  if (aNote.IsNull())
+    return Standard_False;
+
+  aNote->Set(aComment.GetString());
+
+  return Standard_True;
+}
+
+//=======================================================================
+//function :
+//purpose  : 
+//=======================================================================
+void XmlMXCAFDoc_NoteCommentDriver::Paste(const Handle(TDF_Attribute)& theSource,
+                                          XmlObjMgt_Persistent&        theTarget,
+                                          XmlObjMgt_SRelocationTable&  theRelocTable) const
+{
+  XmlMXCAFDoc_NoteDriver::Paste(theSource, theTarget, theRelocTable);
+
+  Handle(XCAFDoc_NoteComment) aNote = Handle(XCAFDoc_NoteComment)::DownCast(theSource);
+
+  XmlObjMgt_DOMString aComment(TCollection_AsciiString(aNote->TimeStamp()).ToCString());
+
+  theTarget.Element().setAttribute(::Comment(), aComment);
+}
+
+//=======================================================================
+//function :
+//purpose  : 
+//=======================================================================
+XmlMXCAFDoc_NoteCommentDriver::XmlMXCAFDoc_NoteCommentDriver(const Handle(CDM_MessageDriver)& theMsgDriver,
+                                                             Standard_CString                 theName)
+  : XmlMXCAFDoc_NoteDriver(theMsgDriver, theName)
+{
+
+}
diff --git a/src/XmlMXCAFDoc/XmlMXCAFDoc_NoteCommentDriver.hxx b/src/XmlMXCAFDoc/XmlMXCAFDoc_NoteCommentDriver.hxx
new file mode 100644
index 0000000000..dba66c6542
--- /dev/null
+++ b/src/XmlMXCAFDoc/XmlMXCAFDoc_NoteCommentDriver.hxx
@@ -0,0 +1,50 @@
+// Created on: 2017-02-14
+// Created by: Sergey NIKONOV
+// Copyright (c) 2008-2017 OPEN CASCADE SAS
+//
+// This file is part of Open CASCADE Technology software library.
+//
+// This library is free software; you can redistribute it and/or modify it under
+// the terms of the GNU Lesser General Public License version 2.1 as published
+// by the Free Software Foundation, with special exception defined in the file
+// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
+// distribution for complete text of the license and disclaimer of any warranty.
+//
+// Alternatively, this file may be used under the terms of Open CASCADE
+// commercial license or contractual agreement.
+
+#ifndef _XmlMXCAFDoc_NoteCommentDriver_HeaderFile
+#define _XmlMXCAFDoc_NoteCommentDriver_HeaderFile
+
+#include <XmlMXCAFDoc_NoteDriver.hxx>
+
+class XmlMXCAFDoc_NoteCommentDriver;
+DEFINE_STANDARD_HANDLE(XmlMXCAFDoc_NoteCommentDriver, XmlMXCAFDoc_NoteDriver)
+
+//! Attribute Driver.
+class XmlMXCAFDoc_NoteCommentDriver : public XmlMXCAFDoc_NoteDriver
+{
+public:
+
+  Standard_EXPORT XmlMXCAFDoc_NoteCommentDriver(const Handle(CDM_MessageDriver)& theMessageDriver);
+
+  Standard_EXPORT Handle(TDF_Attribute) NewEmpty() const Standard_OVERRIDE;
+
+  Standard_EXPORT Standard_Boolean Paste(const XmlObjMgt_Persistent&  theSource,
+                                         const Handle(TDF_Attribute)& theTarget,
+                                         XmlObjMgt_RRelocationTable&  theRelocTable) const Standard_OVERRIDE;
+
+  Standard_EXPORT void Paste(const Handle(TDF_Attribute)& theSource,
+                             XmlObjMgt_Persistent&        theTarget,
+                             XmlObjMgt_SRelocationTable&  theRelocTable) const Standard_OVERRIDE;
+
+  DEFINE_STANDARD_RTTIEXT(XmlMXCAFDoc_NoteCommentDriver, XmlMXCAFDoc_NoteDriver)
+
+protected:
+
+  XmlMXCAFDoc_NoteCommentDriver(const Handle(CDM_MessageDriver)& theMsgDriver,
+                                Standard_CString                 theName);
+
+};
+
+#endif // _XmlMXCAFDoc_NoteCommentDriver_HeaderFile
diff --git a/src/XmlMXCAFDoc/XmlMXCAFDoc_NoteDriver.cxx b/src/XmlMXCAFDoc/XmlMXCAFDoc_NoteDriver.cxx
new file mode 100644
index 0000000000..63b2b8d18b
--- /dev/null
+++ b/src/XmlMXCAFDoc/XmlMXCAFDoc_NoteDriver.cxx
@@ -0,0 +1,78 @@
+// Created on: 2017-02-14
+// Created by: Sergey NIKONOV
+// Copyright (c) 2008-2017 OPEN CASCADE SAS
+//
+// This file is part of Open CASCADE Technology software library.
+//
+// This library is free software; you can redistribute it and/or modify it under
+// the terms of the GNU Lesser General Public License version 2.1 as published
+// by the Free Software Foundation, with special exception defined in the file
+// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
+// distribution for complete text of the license and disclaimer of any warranty.
+//
+// Alternatively, this file may be used under the terms of Open CASCADE
+// commercial license or contractual agreement.
+
+#include <CDM_MessageDriver.hxx>
+#include <Standard_Type.hxx>
+#include <TDF_Attribute.hxx>
+#include <XCAFDoc_Note.hxx>
+#include <XmlMXCAFDoc_NoteDriver.hxx>
+#include <XmlObjMgt_Persistent.hxx>
+
+IMPLEMENT_STANDARD_RTTIEXT(XmlMXCAFDoc_NoteDriver, XmlMDF_ADriver)
+IMPLEMENT_DOMSTRING(UserName, "user_name")
+IMPLEMENT_DOMSTRING(TimeStamp, "time_stamp")
+
+//=======================================================================
+//function :
+//purpose  : 
+//=======================================================================
+XmlMXCAFDoc_NoteDriver::XmlMXCAFDoc_NoteDriver(const Handle(CDM_MessageDriver)& theMsgDriver,
+                                               Standard_CString                 theName)
+  : XmlMDF_ADriver(theMsgDriver, theName)
+{
+}
+
+//=======================================================================
+//function :
+//purpose  : 
+//=======================================================================
+Standard_Boolean XmlMXCAFDoc_NoteDriver::Paste(const XmlObjMgt_Persistent&  theSource,
+                                               const Handle(TDF_Attribute)& theTarget,
+                                               XmlObjMgt_RRelocationTable&  /*theRelocTable*/) const
+{
+  const XmlObjMgt_Element& anElement = theSource;
+
+  XmlObjMgt_DOMString aUserName = anElement.getAttribute(::UserName());
+  XmlObjMgt_DOMString aTimeStamp = anElement.getAttribute(::TimeStamp());
+  if (aUserName == NULL || aTimeStamp == NULL) 
+    return Standard_False;
+
+  Handle(XCAFDoc_Note) aNote = Handle(XCAFDoc_Note)::DownCast(theTarget);
+  if (aNote.IsNull())
+    return Standard_False;
+
+  aNote->Set(aUserName.GetString(), aTimeStamp.GetString());
+
+  return Standard_True;
+}
+
+//=======================================================================
+//function :
+//purpose  : 
+//=======================================================================
+void XmlMXCAFDoc_NoteDriver::Paste(const Handle(TDF_Attribute)& theSource,
+                                   XmlObjMgt_Persistent&        theTarget,
+                                   XmlObjMgt_SRelocationTable&  /*theRelocTable*/) const
+{
+  Handle(XCAFDoc_Note) aNote = Handle(XCAFDoc_Note)::DownCast(theSource);
+  if (aNote.IsNull())
+    return;
+
+  XmlObjMgt_DOMString aUserName(TCollection_AsciiString(aNote->UserName()).ToCString());
+  XmlObjMgt_DOMString aTimeStamp(TCollection_AsciiString(aNote->TimeStamp()).ToCString());
+
+  theTarget.Element().setAttribute(::UserName(), aUserName);
+  theTarget.Element().setAttribute(::TimeStamp(), aTimeStamp);
+}
diff --git a/src/XmlMXCAFDoc/XmlMXCAFDoc_NoteDriver.hxx b/src/XmlMXCAFDoc/XmlMXCAFDoc_NoteDriver.hxx
new file mode 100644
index 0000000000..9dca3f7f48
--- /dev/null
+++ b/src/XmlMXCAFDoc/XmlMXCAFDoc_NoteDriver.hxx
@@ -0,0 +1,56 @@
+// Created on: 2017-02-14
+// Created by: Sergey NIKONOV
+// Copyright (c) 2008-2017 OPEN CASCADE SAS
+//
+// This file is part of Open CASCADE Technology software library.
+//
+// This library is free software; you can redistribute it and/or modify it under
+// the terms of the GNU Lesser General Public License version 2.1 as published
+// by the Free Software Foundation, with special exception defined in the file
+// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
+// distribution for complete text of the license and disclaimer of any warranty.
+//
+// Alternatively, this file may be used under the terms of Open CASCADE
+// commercial license or contractual agreement.
+
+#ifndef _XmlMXCAFDoc_NoteDriver_HeaderFile
+#define _XmlMXCAFDoc_NoteDriver_HeaderFile
+
+#include <Standard.hxx>
+#include <Standard_Type.hxx>
+
+#include <XmlMDF_ADriver.hxx>
+#include <Standard_Boolean.hxx>
+#include <XmlObjMgt_RRelocationTable.hxx>
+#include <XmlObjMgt_SRelocationTable.hxx>
+
+class CDM_MessageDriver;
+class TDF_Attribute;
+class XmlObjMgt_Persistent;
+
+class XmlMXCAFDoc_NoteDriver;
+DEFINE_STANDARD_HANDLE(XmlMXCAFDoc_NoteDriver, XmlMDF_ADriver)
+
+//! Attribute Driver.
+class XmlMXCAFDoc_NoteDriver : public XmlMDF_ADriver
+{
+public:
+
+  Standard_EXPORT Standard_Boolean Paste(const XmlObjMgt_Persistent&  theSource,
+    const Handle(TDF_Attribute)& theTarget,
+    XmlObjMgt_RRelocationTable&  theRelocTable) const Standard_OVERRIDE;
+
+  Standard_EXPORT void Paste(const Handle(TDF_Attribute)& theSource,
+    XmlObjMgt_Persistent&        theTarget,
+    XmlObjMgt_SRelocationTable&  theRelocTable) const Standard_OVERRIDE;
+
+  DEFINE_STANDARD_RTTIEXT(XmlMXCAFDoc_NoteDriver, XmlMDF_ADriver)
+
+protected:
+
+  XmlMXCAFDoc_NoteDriver(const Handle(CDM_MessageDriver)& theMsgDriver,
+                         Standard_CString                 theName);
+
+};
+
+#endif // _XmlMXCAFDoc_NoteDriver_HeaderFile
diff --git a/src/XmlMXCAFDoc/XmlMXCAFDoc_NotesToolDriver.cxx b/src/XmlMXCAFDoc/XmlMXCAFDoc_NotesToolDriver.cxx
new file mode 100644
index 0000000000..dd946f5034
--- /dev/null
+++ b/src/XmlMXCAFDoc/XmlMXCAFDoc_NotesToolDriver.cxx
@@ -0,0 +1,62 @@
+// Created on: 2017-02-14
+// Created by: Sergey NIKONOV
+// Copyright (c) 2008-2017 OPEN CASCADE SAS
+//
+// This file is part of Open CASCADE Technology software library.
+//
+// This library is free software; you can redistribute it and/or modify it under
+// the terms of the GNU Lesser General Public License version 2.1 as published
+// by the Free Software Foundation, with special exception defined in the file
+// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
+// distribution for complete text of the license and disclaimer of any warranty.
+//
+// Alternatively, this file may be used under the terms of Open CASCADE
+// commercial license or contractual agreement.
+
+#include <CDM_MessageDriver.hxx>
+#include <Standard_Type.hxx>
+#include <TDF_Attribute.hxx>
+#include <XCAFDoc_NotesTool.hxx>
+#include <XmlMXCAFDoc_NotesToolDriver.hxx>
+#include <XmlObjMgt_Persistent.hxx>
+
+IMPLEMENT_STANDARD_RTTIEXT(XmlMXCAFDoc_NotesToolDriver, XmlMDF_ADriver)
+
+//=======================================================================
+//function :
+//purpose  : 
+//=======================================================================
+XmlMXCAFDoc_NotesToolDriver::XmlMXCAFDoc_NotesToolDriver(const Handle(CDM_MessageDriver)& theMsgDriver)
+  : XmlMDF_ADriver(theMsgDriver, STANDARD_TYPE(XCAFDoc_NotesTool)->Name())
+{
+}
+
+//=======================================================================
+//function :
+//purpose  : 
+//=======================================================================
+Handle(TDF_Attribute) XmlMXCAFDoc_NotesToolDriver::NewEmpty() const
+{
+  return new XCAFDoc_NotesTool();
+}
+
+//=======================================================================
+//function :
+//purpose  : 
+//=======================================================================
+Standard_Boolean XmlMXCAFDoc_NotesToolDriver::Paste(const XmlObjMgt_Persistent&  /*theSource*/,
+                                                    const Handle(TDF_Attribute)& /*theTarget*/,
+                                                    XmlObjMgt_RRelocationTable&  /*theRelocTable*/) const
+{
+  return Standard_True;
+}
+
+//=======================================================================
+//function :
+//purpose  : 
+//=======================================================================
+void XmlMXCAFDoc_NotesToolDriver::Paste(const Handle(TDF_Attribute)& /*theSource*/,
+                                        XmlObjMgt_Persistent&        /*theTarget*/,
+                                        XmlObjMgt_SRelocationTable&  /*theRelocTable*/) const
+{
+}
diff --git a/src/XmlMXCAFDoc/XmlMXCAFDoc_NotesToolDriver.hxx b/src/XmlMXCAFDoc/XmlMXCAFDoc_NotesToolDriver.hxx
new file mode 100644
index 0000000000..6de16cbe54
--- /dev/null
+++ b/src/XmlMXCAFDoc/XmlMXCAFDoc_NotesToolDriver.hxx
@@ -0,0 +1,55 @@
+// Created on: 2017-02-14
+// Created by: Sergey NIKONOV
+// Copyright (c) 2008-2017 OPEN CASCADE SAS
+//
+// This file is part of Open CASCADE Technology software library.
+//
+// This library is free software; you can redistribute it and/or modify it under
+// the terms of the GNU Lesser General Public License version 2.1 as published
+// by the Free Software Foundation, with special exception defined in the file
+// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
+// distribution for complete text of the license and disclaimer of any warranty.
+//
+// Alternatively, this file may be used under the terms of Open CASCADE
+// commercial license or contractual agreement.
+
+#ifndef _XmlMXCAFDoc_NotesToolDriver_HeaderFile
+#define _XmlMXCAFDoc_NotesToolDriver_HeaderFile
+
+#include <Standard.hxx>
+#include <Standard_Type.hxx>
+
+#include <XmlMDF_ADriver.hxx>
+#include <Standard_Boolean.hxx>
+#include <XmlObjMgt_RRelocationTable.hxx>
+#include <XmlObjMgt_SRelocationTable.hxx>
+
+class CDM_MessageDriver;
+class TDF_Attribute;
+class XmlObjMgt_Persistent;
+
+class XmlMXCAFDoc_NotesToolDriver;
+DEFINE_STANDARD_HANDLE(XmlMXCAFDoc_NotesToolDriver, XmlMDF_ADriver)
+
+//! Attribute Driver.
+class XmlMXCAFDoc_NotesToolDriver : public XmlMDF_ADriver
+{
+public:
+  
+  Standard_EXPORT XmlMXCAFDoc_NotesToolDriver(const Handle(CDM_MessageDriver)& theMsgDriver);
+  
+  Standard_EXPORT Handle(TDF_Attribute) NewEmpty() const Standard_OVERRIDE;
+  
+  Standard_EXPORT Standard_Boolean Paste(const XmlObjMgt_Persistent&  theSource, 
+                                         const Handle(TDF_Attribute)& theTarget, 
+                                         XmlObjMgt_RRelocationTable&  theRelocTable) const Standard_OVERRIDE;
+  
+  Standard_EXPORT void Paste(const Handle(TDF_Attribute)& theSource, 
+                             XmlObjMgt_Persistent&        theTarget, 
+                             XmlObjMgt_SRelocationTable&  theRelocTable) const Standard_OVERRIDE;
+
+  DEFINE_STANDARD_RTTIEXT(XmlMXCAFDoc_NotesToolDriver, XmlMDF_ADriver)
+
+};
+
+#endif // _XmlMXCAFDoc_NotesToolDriver_HeaderFile
diff --git a/tests/gdt/grids.list b/tests/gdt/grids.list
index 4f3ed5aea2..b15874bd82 100644
--- a/tests/gdt/grids.list
+++ b/tests/gdt/grids.list
@@ -4,3 +4,4 @@
 004 export
 005 presentation
 006 view
+007 notes
diff --git a/tests/gdt/notes/A1 b/tests/gdt/notes/A1
new file mode 100644
index 0000000000..67316e0662
--- /dev/null
+++ b/tests/gdt/notes/A1
@@ -0,0 +1,5 @@
+
+# expected results
+set nb_annotations_result 0
+set nb_notes_result 0
+set nb_orphan_result 0
diff --git a/tests/gdt/notes/A2 b/tests/gdt/notes/A2
new file mode 100644
index 0000000000..a9b0e61e4c
--- /dev/null
+++ b/tests/gdt/notes/A2
@@ -0,0 +1,13 @@
+
+# create comment note
+set comment [XNoteCreateComment D "Hello, World!" --user "The user" --time [clock format [clock seconds] -format "%Y-%m-%dT%H:%M:%S"]]
+XNoteDump D ${comment}
+
+# create balloon note
+set balloon [XNoteCreateComment D "Hello, Everyone!" --user "The user" --time [clock format [clock seconds] -format "%Y-%m-%dT%H:%M:%S"]]
+XNoteDump D ${balloon}
+
+# expected results
+set nb_annotations_result 0
+set nb_notes_result 2
+set nb_orphan_result 2
diff --git a/tests/gdt/notes/A3 b/tests/gdt/notes/A3
new file mode 100644
index 0000000000..d51374cdb4
--- /dev/null
+++ b/tests/gdt/notes/A3
@@ -0,0 +1,9 @@
+
+# create binary note
+set data [XNoteCreateBinData D "Binary data" --data "abcdefghijklmnopqrstuvwxyz" --user "The user" --time [clock format [clock seconds] -format "%Y-%m-%dT%H:%M:%S"]]
+XNoteDump D ${data}
+
+# expected results
+set nb_annotations_result 0
+set nb_notes_result 1
+set nb_orphan_result 1
diff --git a/tests/gdt/notes/A4 b/tests/gdt/notes/A4
new file mode 100644
index 0000000000..ed25fabadc
--- /dev/null
+++ b/tests/gdt/notes/A4
@@ -0,0 +1,16 @@
+
+# create comment note
+set comment [XNoteCreateComment D "Hello, World!" --user "The user" --time [clock format [clock seconds] -format "%Y-%m-%dT%H:%M:%S"]]
+XNoteDump D ${comment}
+
+# create balloon note
+set balloon [XNoteCreateComment D "Hello, Everyone!" --user "The user" --time [clock format [clock seconds] -format "%Y-%m-%dT%H:%M:%S"]]
+XNoteDump D ${balloon}
+
+# delete comment note
+XNoteDelete D ${comment}
+
+# expected results
+set nb_annotations_result 0
+set nb_notes_result 1
+set nb_orphan_result 1
diff --git a/tests/gdt/notes/A5 b/tests/gdt/notes/A5
new file mode 100644
index 0000000000..08e910c21a
--- /dev/null
+++ b/tests/gdt/notes/A5
@@ -0,0 +1,16 @@
+
+# create comment note
+set comment [XNoteCreateComment D "Hello, World!" --user "The user" --time [clock format [clock seconds] -format "%Y-%m-%dT%H:%M:%S"]]
+XNoteDump D ${comment}
+
+# create balloon note
+set balloon [XNoteCreateComment D "Hello, Everyone!" --user "The user" --time [clock format [clock seconds] -format "%Y-%m-%dT%H:%M:%S"]]
+XNoteDump D ${balloon}
+
+# delete comment note
+XNoteDeleteAll D
+
+# expected results
+set nb_annotations_result 0
+set nb_notes_result 0
+set nb_orphan_result 0
diff --git a/tests/gdt/notes/B1 b/tests/gdt/notes/B1
new file mode 100644
index 0000000000..c79c0ab2cc
--- /dev/null
+++ b/tests/gdt/notes/B1
@@ -0,0 +1,18 @@
+
+# create comment note
+set comment [XNoteCreateComment D "Hello, World!" --user "The user" --time [clock format [clock seconds] -format "%Y-%m-%dT%H:%M:%S"]]
+XNoteDump D ${comment}
+
+# annotate box_1
+XNoteRefDump D [XNoteAdd D ${comment} ${box_1}]
+
+# annotate box_2
+XNoteRefDump D [XNoteAdd D ${comment} ${box_2}]
+
+# list annotations
+XNoteAnnotations D
+
+# expected results
+set nb_annotations_result 2
+set nb_notes_result 1
+set nb_orphan_result 0
diff --git a/tests/gdt/notes/B2 b/tests/gdt/notes/B2
new file mode 100644
index 0000000000..7172784bd9
--- /dev/null
+++ b/tests/gdt/notes/B2
@@ -0,0 +1,22 @@
+
+# create comment_1 note
+set comment_1 [XNoteCreateComment D "Hello, World!" --user "The user" --time [clock format [clock seconds] -format "%Y-%m-%dT%H:%M:%S"]]
+XNoteDump D ${comment_1}
+
+# create comment_2 note
+set comment_2 [XNoteCreateComment D "Hello, Everyone!" --user "The user" --time [clock format [clock seconds] -format "%Y-%m-%dT%H:%M:%S"]]
+XNoteDump D ${comment_2}
+
+# annotate box_1
+XNoteRefDump D [XNoteAdd D ${comment_1} ${box_1}]
+
+# annotate box_2
+XNoteRefDump D [XNoteAdd D ${comment_2} ${box_2}]
+
+# list annotations
+XNoteAnnotations D
+
+# expected results
+set nb_annotations_result 2
+set nb_notes_result 2
+set nb_orphan_result 0
diff --git a/tests/gdt/notes/B3 b/tests/gdt/notes/B3
new file mode 100644
index 0000000000..d3990ebc12
--- /dev/null
+++ b/tests/gdt/notes/B3
@@ -0,0 +1,25 @@
+
+# create comment_1 note
+set comment_1 [XNoteCreateComment D "Hello, World!" --user "The user" --time [clock format [clock seconds] -format "%Y-%m-%dT%H:%M:%S"]]
+XNoteDump D ${comment_1}
+
+# create comment_2 note
+set comment_2 [XNoteCreateComment D "Hello, Everyone!" --user "The user" --time [clock format [clock seconds] -format "%Y-%m-%dT%H:%M:%S"]]
+XNoteDump D ${comment_2}
+
+# annotate box_1
+XNoteRefDump D [XNoteAdd D ${comment_1} ${box_1}]
+
+# annotate box_2
+XNoteRefDump D [XNoteAdd D ${comment_1} ${box_2}]
+
+# list annotations
+XNoteAnnotations D
+
+# delete orphan notes
+XNoteDeleteOrphan D
+
+# expected results
+set nb_annotations_result 2
+set nb_notes_result 1
+set nb_orphan_result 0
diff --git a/tests/gdt/notes/B4 b/tests/gdt/notes/B4
new file mode 100644
index 0000000000..2adfe3f1cc
--- /dev/null
+++ b/tests/gdt/notes/B4
@@ -0,0 +1,22 @@
+
+# create comment_1 note
+set comment_1 [XNoteCreateComment D "Hello, World!" --user "The user" --time [clock format [clock seconds] -format "%Y-%m-%dT%H:%M:%S"]]
+XNoteDump D ${comment_1}
+
+# create comment_2 note
+set comment_2 [XNoteCreateComment D "Hello, Everyone!" --user "The user" --time [clock format [clock seconds] -format "%Y-%m-%dT%H:%M:%S"]]
+XNoteDump D ${comment_2}
+
+# annotate box_1
+XNoteRefDump D [XNoteAdd D ${comment_1} ${box_1}]
+
+# annotate box_1
+XNoteRefDump D [XNoteAdd D ${comment_2} ${box_1}]
+
+# list annotations
+XNoteAnnotations D
+
+# expected results
+set nb_annotations_result 1
+set nb_notes_result 2
+set nb_orphan_result 0
diff --git a/tests/gdt/notes/B5 b/tests/gdt/notes/B5
new file mode 100644
index 0000000000..43f9866d93
--- /dev/null
+++ b/tests/gdt/notes/B5
@@ -0,0 +1,15 @@
+
+# create comment note
+set comment [XNoteCreateComment D "Hello, World!" --user "The user" --time [clock format [clock seconds] -format "%Y-%m-%dT%H:%M:%S"]]
+XNoteDump D ${comment}
+
+# annotate box_1 attribute
+XNoteRefDump D [XNoteAdd D ${comment} ${box_1} --attr ${guid}]
+
+# list annotations
+XNoteAnnotations D
+
+# expected results
+set nb_annotations_result 1
+set nb_notes_result 1
+set nb_orphan_result 0
diff --git a/tests/gdt/notes/B6 b/tests/gdt/notes/B6
new file mode 100644
index 0000000000..92f81cd941
--- /dev/null
+++ b/tests/gdt/notes/B6
@@ -0,0 +1,18 @@
+
+# create comment note
+set comment [XNoteCreateComment D "Hello, World!" --user "The user" --time [clock format [clock seconds] -format "%Y-%m-%dT%H:%M:%S"]]
+XNoteDump D ${comment}
+
+# annotate box_1
+XNoteRefDump D [XNoteAdd D ${comment} ${box_1}]
+
+# annotate box_1 attribute
+XNoteRefDump D [XNoteAdd D ${comment} ${box_1} --attr ${guid}]
+
+# list annotations
+XNoteAnnotations D
+
+# expected results
+set nb_annotations_result 2
+set nb_notes_result 1
+set nb_orphan_result 0
diff --git a/tests/gdt/notes/B7 b/tests/gdt/notes/B7
new file mode 100644
index 0000000000..a6b102691f
--- /dev/null
+++ b/tests/gdt/notes/B7
@@ -0,0 +1,21 @@
+
+# create comment note
+set comment [XNoteCreateComment D "Hello, World!" --user "The user" --time [clock format [clock seconds] -format "%Y-%m-%dT%H:%M:%S"]]
+XNoteDump D ${comment}
+
+# annotate box_1
+XNoteRefDump D [XNoteAdd D ${comment} ${box_1}]
+
+# annotate box_1 attribute
+XNoteRefDump D [XNoteAdd D ${comment} ${box_1} --attr ${guid}]
+
+# annotate box_1 subshape 1
+XNoteRefDump D [XNoteAdd D ${comment} ${box_1} --subshape 1]
+
+# list annotations
+XNoteAnnotations D
+
+# expected results
+set nb_annotations_result 3
+set nb_notes_result 1
+set nb_orphan_result 0
diff --git a/tests/gdt/notes/C1 b/tests/gdt/notes/C1
new file mode 100644
index 0000000000..cb85e0552a
--- /dev/null
+++ b/tests/gdt/notes/C1
@@ -0,0 +1,24 @@
+
+# create comment note
+set comment [XNoteCreateComment D "Hello, World!" --user "The user" --time [clock format [clock seconds] -format "%Y-%m-%dT%H:%M:%S"]]
+XNoteDump D ${comment}
+
+# annotate box_1
+XNoteRefDump D [XNoteAdd D ${comment} ${box_1}]
+
+# annotate box_2
+XNoteRefDump D [XNoteAdd D ${comment} ${box_2}]
+
+# list annotations
+XNoteAnnotations D
+
+# delete note
+XNoteDelete D ${comment}
+
+# list annotations
+XNoteAnnotations D
+
+# expected results
+set nb_annotations_result 0
+set nb_notes_result 0
+set nb_orphan_result 0
diff --git a/tests/gdt/notes/C2 b/tests/gdt/notes/C2
new file mode 100644
index 0000000000..e8be62e537
--- /dev/null
+++ b/tests/gdt/notes/C2
@@ -0,0 +1,28 @@
+
+# create comment_1 note
+set comment_1 [XNoteCreateComment D "Hello, World!" --user "The user" --time [clock format [clock seconds] -format "%Y-%m-%dT%H:%M:%S"]]
+XNoteDump D ${comment_1}
+
+# create comment_2 note
+set comment_2 [XNoteCreateComment D "Hello, World!" --user "The user" --time [clock format [clock seconds] -format "%Y-%m-%dT%H:%M:%S"]]
+XNoteDump D ${comment_2}
+
+# annotate box_1
+XNoteRefDump D [XNoteAdd D ${comment_1} ${box_1}]
+
+# annotate box_2
+XNoteRefDump D [XNoteAdd D ${comment_2} ${box_2}]
+
+# list annotations
+XNoteAnnotations D
+
+# delete comment_1 note
+XNoteDelete D ${comment_1}
+
+# list annotations
+XNoteAnnotations D
+
+# expected results
+set nb_annotations_result 1
+set nb_notes_result 1
+set nb_orphan_result 0
diff --git a/tests/gdt/notes/C3 b/tests/gdt/notes/C3
new file mode 100644
index 0000000000..37d47964ae
--- /dev/null
+++ b/tests/gdt/notes/C3
@@ -0,0 +1,28 @@
+
+# create comment_1 note
+set comment_1 [XNoteCreateComment D "Hello, World!" --user "The user" --time [clock format [clock seconds] -format "%Y-%m-%dT%H:%M:%S"]]
+XNoteDump D ${comment_1}
+
+# create comment_2 note
+set comment_2 [XNoteCreateComment D "Hello, World!" --user "The user" --time [clock format [clock seconds] -format "%Y-%m-%dT%H:%M:%S"]]
+XNoteDump D ${comment_2}
+
+# annotate box_1
+XNoteRefDump D [XNoteAdd D ${comment_1} ${box_1}]
+
+# annotate box_2
+XNoteRefDump D [XNoteAdd D ${comment_2} ${box_2}]
+
+# list annotations
+XNoteAnnotations D
+
+# remove comment_1 annotation
+XNoteRemove D ${box_1} ${comment_1}
+
+# list annotations
+XNoteAnnotations D
+
+# expected results
+set nb_annotations_result 1
+set nb_notes_result 2
+set nb_orphan_result 1
diff --git a/tests/gdt/notes/C4 b/tests/gdt/notes/C4
new file mode 100644
index 0000000000..6b8b466685
--- /dev/null
+++ b/tests/gdt/notes/C4
@@ -0,0 +1,27 @@
+
+# create comment note
+set comment [XNoteCreateComment D "Hello, World!" --user "The user" --time [clock format [clock seconds] -format "%Y-%m-%dT%H:%M:%S"]]
+XNoteDump D ${comment}
+
+# annotate box_1
+XNoteRefDump D [XNoteAdd D ${comment} ${box_1}]
+
+# annotate box_1 attribute
+XNoteRefDump D [XNoteAdd D ${comment} ${box_1} --attr ${guid}]
+
+# annotate box_1 subshape 1
+XNoteRefDump D [XNoteAdd D ${comment} ${box_1} --subshape 1]
+
+# list annotations
+XNoteAnnotations D
+
+# remove attribute annotation
+XNoteRemove D ${box_1} ${comment} --attr ${guid}
+
+# remove subshape annotation
+XNoteRemove D ${box_1} ${comment} --subshape 1
+
+# expected results
+set nb_annotations_result 1
+set nb_notes_result 1
+set nb_orphan_result 0
diff --git a/tests/gdt/notes/C5 b/tests/gdt/notes/C5
new file mode 100644
index 0000000000..8031a12c04
--- /dev/null
+++ b/tests/gdt/notes/C5
@@ -0,0 +1,29 @@
+
+# create comment_1 note
+set comment_1 [XNoteCreateComment D "Hello, World!" --user "The user" --time [clock format [clock seconds] -format "%Y-%m-%dT%H:%M:%S"]]
+XNoteDump D ${comment_1}
+
+# create comment_2 note
+set comment_2 [XNoteCreateComment D "Hello, Everyone!" --user "The user" --time [clock format [clock seconds] -format "%Y-%m-%dT%H:%M:%S"]]
+XNoteDump D ${comment_2}
+
+# annotate box_1
+XNoteRefDump D [XNoteAdd D ${comment_1} ${box_1}]
+
+# annotate box_1 attribute
+XNoteRefDump D [XNoteAdd D ${comment_1} ${box_1} --attr ${guid}]
+XNoteRefDump D [XNoteAdd D ${comment_2} ${box_1} --attr ${guid}]
+
+# annotate box_1 subshape 1
+XNoteRefDump D [XNoteAdd D ${comment_1} ${box_1} --subshape 1]
+
+# list annotations
+XNoteAnnotations D
+
+# remove all attribute annotations
+XNoteRemoveAll D ${box_1} --attr ${guid}
+
+# expected results
+set nb_annotations_result 2
+set nb_notes_result 2
+set nb_orphan_result 1
diff --git a/tests/gdt/notes/C6 b/tests/gdt/notes/C6
new file mode 100644
index 0000000000..4c3e71ace9
--- /dev/null
+++ b/tests/gdt/notes/C6
@@ -0,0 +1,29 @@
+
+# create comment_1 note
+set comment_1 [XNoteCreateComment D "Hello, World!" --user "The user" --time [clock format [clock seconds] -format "%Y-%m-%dT%H:%M:%S"]]
+XNoteDump D ${comment_1}
+
+# create comment_2 note
+set comment_2 [XNoteCreateComment D "Hello, Everyone!" --user "The user" --time [clock format [clock seconds] -format "%Y-%m-%dT%H:%M:%S"]]
+XNoteDump D ${comment_2}
+
+# annotate box_1
+XNoteRefDump D [XNoteAdd D ${comment_1} ${box_1}]
+
+# annotate box_1 attribute
+XNoteRefDump D [XNoteAdd D ${comment_1} ${box_1} --attr ${guid}]
+
+# annotate box_1 subshape 1
+XNoteRefDump D [XNoteAdd D ${comment_1} ${box_1} --subshape 1]
+XNoteRefDump D [XNoteAdd D ${comment_2} ${box_1} --subshape 1]
+
+# list annotations
+XNoteAnnotations D
+
+# remove all attribute annotations
+XNoteRemoveAll D ${box_1} --subshape 1
+
+# expected results
+set nb_annotations_result 2
+set nb_notes_result 2
+set nb_orphan_result 1
diff --git a/tests/gdt/notes/C7 b/tests/gdt/notes/C7
new file mode 100644
index 0000000000..0aa7749492
--- /dev/null
+++ b/tests/gdt/notes/C7
@@ -0,0 +1,31 @@
+
+# create comment_1 note
+set comment_1 [XNoteCreateComment D "Hello, World!" --user "The user" --time [clock format [clock seconds] -format "%Y-%m-%dT%H:%M:%S"]]
+XNoteDump D ${comment_1}
+
+# create comment_2 note
+set comment_2 [XNoteCreateComment D "Hello, Everyone!" --user "The user" --time [clock format [clock seconds] -format "%Y-%m-%dT%H:%M:%S"]]
+XNoteDump D ${comment_2}
+
+# annotate box_1
+XNoteRefDump D [XNoteAdd D ${comment_1} ${box_1}]
+XNoteRefDump D [XNoteAdd D ${comment_2} ${box_1}]
+
+# annotate box_1 attribute
+XNoteRefDump D [XNoteAdd D ${comment_1} ${box_1} --attr ${guid}]
+XNoteRefDump D [XNoteAdd D ${comment_2} ${box_1} --attr ${guid}]
+
+# annotate box_1 subshape 1
+XNoteRefDump D [XNoteAdd D ${comment_1} ${box_1} --subshape 1]
+XNoteRefDump D [XNoteAdd D ${comment_2} ${box_1} --subshape 1]
+
+# list annotations
+XNoteAnnotations D
+
+# remove all box annotations
+XNoteRemoveAll D ${box_1}
+
+# expected results
+set nb_annotations_result 2
+set nb_notes_result 2
+set nb_orphan_result 0
diff --git a/tests/gdt/notes/C8 b/tests/gdt/notes/C8
new file mode 100644
index 0000000000..85f41d9014
--- /dev/null
+++ b/tests/gdt/notes/C8
@@ -0,0 +1,33 @@
+
+# create comment_1 note
+set comment_1 [XNoteCreateComment D "Hello, World!" --user "The user" --time [clock format [clock seconds] -format "%Y-%m-%dT%H:%M:%S"]]
+XNoteDump D ${comment_1}
+
+# create comment_2 note
+set comment_2 [XNoteCreateComment D "Hello, Everyone!" --user "The user" --time [clock format [clock seconds] -format "%Y-%m-%dT%H:%M:%S"]]
+XNoteDump D ${comment_2}
+
+# annotate box_1
+XNoteRefDump D [XNoteAdd D ${comment_1} ${box_1}]
+XNoteRefDump D [XNoteAdd D ${comment_2} ${box_1}]
+
+# annotate box_1 attribute
+XNoteRefDump D [XNoteAdd D ${comment_1} ${box_1} --attr ${guid}]
+XNoteRefDump D [XNoteAdd D ${comment_2} ${box_1} --attr ${guid}]
+
+# annotate box_1 subshape 1
+XNoteRefDump D [XNoteAdd D ${comment_1} ${box_1} --subshape 1]
+XNoteRefDump D [XNoteAdd D ${comment_2} ${box_1} --subshape 1]
+
+# list annotations
+XNoteAnnotations D
+
+# remove all box annotations
+XNoteRemoveAll D ${box_1}
+XNoteRemoveAll D ${box_1} --attr ${guid}
+XNoteRemoveAll D ${box_1} --subshape 1
+
+# expected results
+set nb_annotations_result 0
+set nb_notes_result 2
+set nb_orphan_result 2
diff --git a/tests/gdt/notes/C9 b/tests/gdt/notes/C9
new file mode 100644
index 0000000000..8b7a49fb19
--- /dev/null
+++ b/tests/gdt/notes/C9
@@ -0,0 +1,33 @@
+
+# create comment_1 note
+set comment_1 [XNoteCreateComment D "Hello, World!" --user "The user" --time [clock format [clock seconds] -format "%Y-%m-%dT%H:%M:%S"]]
+XNoteDump D ${comment_1}
+
+# create comment_2 note
+set comment_2 [XNoteCreateComment D "Hello, Everyone!" --user "The user" --time [clock format [clock seconds] -format "%Y-%m-%dT%H:%M:%S"]]
+XNoteDump D ${comment_2}
+
+# annotate box_1
+XNoteRefDump D [XNoteAdd D ${comment_1} ${box_1}]
+XNoteRefDump D [XNoteAdd D ${comment_2} ${box_1}]
+
+# annotate box_1 attribute
+XNoteRefDump D [XNoteAdd D ${comment_1} ${box_1} --attr ${guid}]
+XNoteRefDump D [XNoteAdd D ${comment_2} ${box_1} --attr ${guid}]
+
+# annotate box_1 subshape 1
+XNoteRefDump D [XNoteAdd D ${comment_1} ${box_1} --subshape 1]
+XNoteRefDump D [XNoteAdd D ${comment_2} ${box_1} --subshape 1]
+
+# list annotations
+XNoteAnnotations D
+
+# remove all box annotations
+XNoteRemoveAll D ${box_1} --del-orphan
+XNoteRemoveAll D ${box_1} --attr ${guid} --del-orphan
+XNoteRemoveAll D ${box_1} --subshape 1 --del-orphan
+
+# expected results
+set nb_annotations_result 0
+set nb_notes_result 0
+set nb_orphan_result 0
diff --git a/tests/gdt/notes/D1 b/tests/gdt/notes/D1
new file mode 100644
index 0000000000..49bf36c6df
--- /dev/null
+++ b/tests/gdt/notes/D1
@@ -0,0 +1,51 @@
+
+# create comment_1 note
+set comment_1 [XNoteCreateComment D "Hello, World!" --user "The user" --time [clock format [clock seconds] -format "%Y-%m-%dT%H:%M:%S"]]
+XNoteDump D ${comment_1}
+
+# create comment_2 note
+set comment_2 [XNoteCreateComment D "Hello, Everyone!" --user "The user" --time [clock format [clock seconds] -format "%Y-%m-%dT%H:%M:%S"]]
+XNoteDump D ${comment_2}
+
+# annotate box_1
+set annotated_1 [XNoteAdd D ${comment_1} ${box_1}]
+set annotated_2 [XNoteAdd D ${comment_2} ${box_1}]
+if {${annotated_1} != ${annotated_2}} {
+	puts "Error : item annotation labels (${annotated_1} and ${annotated_2}) must be equal not equal."
+}
+
+# annotate box_1 attribute
+set annotated_1_attr [XNoteAdd D ${comment_1} ${box_1} --attr ${guid}]
+set annotated_2_attr [XNoteAdd D ${comment_2} ${box_1} --attr ${guid}]
+if {${annotated_1_attr} != ${annotated_2_attr}} {
+	puts "Error : item's attribute annotation labels (${annotated_1_attr} and ${annotated_2_attr}) must be equal not equal."
+}
+
+# annotate box_1 subshape 1
+set annotated_1_subshape [XNoteAdd D ${comment_1} ${box_1} --subshape 1]
+set annotated_2_subshape [XNoteAdd D ${comment_2} ${box_1} --subshape 1]
+if {${annotated_1_subshape} != ${annotated_2_subshape}} {
+	puts "Error : item's subshape annotation labels (${annotated_1_subshape} and ${annotated_2_subshape}) must be equal not equal."
+}
+
+# find annotations
+set annotated_found [XNoteFindAnnotated D ${box_1}]
+if {${annotated_1} != ${annotated_found}} {
+	puts "Error : ${annotated_1} is expected to found instead of ${annotated_found}"
+}
+set annotated_attr_found [XNoteFindAnnotated D ${box_1} --attr ${guid}]
+if {${annotated_1_attr} != ${annotated_attr_found}} {
+	puts "Error : ${annotated_1_attr} is expected to found instead of ${annotated_attr_found}"
+}
+set annotated_subshape_found [XNoteFindAnnotated D ${box_1} --subshape 1]
+if {${annotated_1_subshape} != ${annotated_subshape_found}} {
+	puts "Error : ${annotated_1_subshape} is expected to found instead of ${annotated_subshape_found}"
+}
+
+# list annotations
+XNoteAnnotations D
+
+# expected results
+set nb_annotations_result 3
+set nb_notes_result 2
+set nb_orphan_result 0
diff --git a/tests/gdt/notes/begin b/tests/gdt/notes/begin
new file mode 100644
index 0000000000..96fdf5d182
--- /dev/null
+++ b/tests/gdt/notes/begin
@@ -0,0 +1,21 @@
+
+# assembly of 2 boxes
+box b1 1 1 1
+box b2 2 2 2
+btranslate b1 b1 2 2 2
+btranslate b2 b2 -3 -3 -3
+compound b1 b2 c
+
+# new document
+NewDocument D
+
+# populate D
+XAddShape D c
+
+# box extries
+set box_1 "0:1:1:2"
+set box_2 "0:1:1:3"
+
+# add int attribute to box_1
+set guid "27927843-72A0-41ef-901D-621FAB01C27A"
+SetInteger D ${box_1} 1965 ${guid}
diff --git a/tests/gdt/notes/end b/tests/gdt/notes/end
new file mode 100644
index 0000000000..48d26b9c2f
--- /dev/null
+++ b/tests/gdt/notes/end
@@ -0,0 +1,20 @@
+
+# check counts
+set count [XNoteCount D]
+set nb_annotations [lindex ${count} 0]
+set nb_notes [lindex ${count} 1]
+set nb_orphan [lindex ${count} 2]
+if {${nb_annotations} != ${nb_annotations_result}} {
+	puts "Error : ${nb_annotations_result} number of annotated items is expected instead of ${nb_annotations}!"
+}
+if {${nb_notes} != ${nb_notes_result}} {
+	puts "Error : ${nb_notes_result} number of notes is expected instead of ${nb_notes}!"
+}
+if {${nb_orphan} != ${nb_orphan_result}} {
+	puts "Error : ${nb_orphan_result} number of orphan notes is expected instead of ${nb_orphan}!"
+}
+
+# release document
+unset D
+
+puts "TEST COMPLETED"