diff --git a/tabellio/documents/document.py b/tabellio/documents/document.py
index 4bb80da..7d1c221 100644
--- a/tabellio/documents/document.py
+++ b/tabellio/documents/document.py
@@ -50,6 +50,10 @@ class IDocument(form.Schema):
     adopted = schema.Bool(title=_(u'Adopted'), required=False, default=False)
     related_docs = RelationList(title=_(u'Related Documents'), default=[], required=False,
                     value_type=RelationChoice(title=_(u'Related Document'), source=ObjPathSourceBinder()))
+    sanction_date = schema.Date(title=_(u'Sanction Date'), required=False)
+    commission_status = schema.TextLine(title=_('Commission Status', required=False)
+    seance_vote = schema.TextLine(title=_('Seance Vote', required=False)
+
 
 class Document(Item, BasePublication):
     implements(IDocument, IHasRelations)