diff --git a/bt5/erp5_registry_ohada/PropertySheetTemplateItem/M2Constraint.py b/bt5/erp5_registry_ohada/PropertySheetTemplateItem/M2Constraint.py
index 2679b2973fbe527c0a7c4fb92d50215ddc752380..56dbd33e0afac293f4d68aed61a7042ee5643274 100644
--- a/bt5/erp5_registry_ohada/PropertySheetTemplateItem/M2Constraint.py
+++ b/bt5/erp5_registry_ohada/PropertySheetTemplateItem/M2Constraint.py
@@ -31,54 +31,59 @@ class M2Constraint:
     M2 Constraints
   """
   _constraints = (
-    { 'id'            : 'corporate_registration_code_existence',
-      'description'   : 'Property corporate registration code must be definied',
-      'type'          : 'PropertyExistence',
-      'corporate_registration_code'          : None, 
-      'message_no_such_property': 'The corporate registration must be defined',
-      'message_property_not_set': 'The corporate registration must be defined',
-    },
-    { 'id'            : 'old_headquarters_existence',
-      'description'   : 'Property old_headquarters must be definied',
-      'type'          : 'PropertyExistence',
-      'old_headquarters'       : None, 
-    },
-    { 'id'            : 'old_legal_form_existence',
-      'description'   : 'Property old_legal_form must be definied',
-      'type'          : 'PropertyExistence',
-      'old_legal_form'  : None, 
-    },
-    { 'id'            : 'old_corporate_registration_code_existence',
-      'description'   : 'Property old corporate registration code must be definied',
-      'type'          : 'PropertyExistence',
-      'old_corporate_registration_code'    : None, 
-    },
-    { 'id'            : 'new_corporate_registration_code_existence',
-      'description'   : 'Property new corporate registration code must be definied',
-      'type'          : 'PropertyExistence',
-      'new_corporate_registration_code'    : None, 
-    },
-    { 'id'            : 'old_title_existence',
-      'description'   : 'Property old_title must be definied',
-      'type'          : 'PropertyExistence',
-      'old_title'      : None, 
-    },
-    { 'id'            : 'new_address_existence',
-      'description'   : 'Property new address must be definied',
-      'type'          : 'PropertyExistence',
-      'new_address'      : None, 
-    },
-    { 'id'            : 'first_rccm_check_existence',
-      'description'   : 'Property first rccm check must be definied',
-      'type'          : 'PropertyExistence',
-      'first_rccm_check'     : None,
-      'condition'     : 'python: object.getSecondRccmCheck() == None',
-    },
-    { 'id'            : 'second_rccm_check_existence',
-      'description'   : 'Property radiation check must be definied',
-      'type'          : 'PropertyExistence',
-      'second_rccm_check'     : None,
-      'condition'     : 'python: object.getFirstRccmCheck() == None',
-
-    },
+     { 'id'            : 'date_existence',
+       'description'   : 'Property date must be definied',
+       'type'          : 'PropertyExistence',
+       'date'     : None,
+     },
+#    { 'id'            : 'corporate_registration_code_existence',
+#      'description'   : 'Property corporate registration code must be definied',
+#      'type'          : 'PropertyExistence',
+#      'corporate_registration_code'          : None, 
+#      'message_no_such_property': 'The corporate registration must be defined',
+#      'message_property_not_set': 'The corporate registration must be defined',
+#    },
+#    { 'id'            : 'old_headquarters_existence',
+#      'description'   : 'Property old_headquarters must be definied',
+#      'type'          : 'PropertyExistence',
+#      'old_headquarters'       : None, 
+#    },
+#    { 'id'            : 'old_legal_form_existence',
+#      'description'   : 'Property old_legal_form must be definied',
+#      'type'          : 'PropertyExistence',
+#      'old_legal_form'  : None, 
+#    },
+#    { 'id'            : 'old_corporate_registration_code_existence',
+#      'description'   : 'Property old corporate registration code must be definied',
+#      'type'          : 'PropertyExistence',
+#      'old_corporate_registration_code'    : None, 
+#    },
+#    { 'id'            : 'new_corporate_registration_code_existence',
+#      'description'   : 'Property new corporate registration code must be definied',
+#      'type'          : 'PropertyExistence',
+#      'new_corporate_registration_code'    : None, 
+#    },
+#    { 'id'            : 'old_title_existence',
+#      'description'   : 'Property old_title must be definied',
+#      'type'          : 'PropertyExistence',
+#      'old_title'      : None, 
+#    },
+#    { 'id'            : 'new_address_existence',
+#      'description'   : 'Property new address must be definied',
+#      'type'          : 'PropertyExistence',
+#      'new_address'      : None, 
+#    },
+#    { 'id'            : 'first_rccm_check_existence',
+#      'description'   : 'Property first rccm check must be definied',
+#      'type'          : 'PropertyExistence',
+#      'first_rccm_check'     : None,
+#      'condition'     : 'python: object.getSecondRccmCheck() == None',
+#    },
+#    { 'id'            : 'second_rccm_check_existence',
+#      'description'   : 'Property radiation check must be definied',
+#      'type'          : 'PropertyExistence',
+#      'second_rccm_check'     : None,
+#      'condition'     : 'python: object.getFirstRccmCheck() == None',
+#
+#    },
   )
diff --git a/bt5/erp5_registry_ohada/bt/revision b/bt5/erp5_registry_ohada/bt/revision
index 233a64e6723e6fc8107fcba2fac0746922f2ecca..8e44f67f05364571dabe0da6b3bffbc505a9bf82 100644
--- a/bt5/erp5_registry_ohada/bt/revision
+++ b/bt5/erp5_registry_ohada/bt/revision
@@ -1 +1 @@
-811
\ No newline at end of file
+812
\ No newline at end of file