diff --git a/product/ERP5/PropertySheet/Order.py b/product/ERP5/PropertySheet/Order.py
index 866515edb3d8934e319ffae0ec7285821415a2ef..c59c8ee07f3c146d59fb157572fc880fc1a4b25e 100644
--- a/product/ERP5/PropertySheet/Order.py
+++ b/product/ERP5/PropertySheet/Order.py
@@ -77,4 +77,30 @@ class Order:
       'portal_type'   : ('Applied Rule', ),
       'base_category' : ('causality',)
     },
+    { 'id'            : 'category_existence',
+      'description'   : 'Source, Destination and Sections must be defined',
+      'type'          : 'CategoryExistence',
+      'portal_type'   : ('Person', 'Organisation'),
+      'source'        : 1,
+      'destination'        : 1,
+      'source_section': 1,
+      'destination_section': 1,
+    },
+    { 'id'            : 'total_quantity',
+      'description'   : 'Total Quantity must not be 0',
+      'type'          : 'TALESConstraint',
+      'expression'    : 'python: object.getTotalQuantity() > 0',
+      'message_expression_false': 'Total Quantity must not be 0',
+    },
+    { 'id'            : 'start_date',
+      'description'   : 'Start Date must be defined',
+      'type'          : 'PropertyExistence',
+      'start_date'    : 1,
+    },
+    { 'id'            : 'date_coherency',
+      'description'   : 'Stop Date must be after Start Date',
+      'type'          : 'TALESConstraint',
+      'expression'    : 'python: object.getStopDate() >= object.getStartDate()',
+      'message_expression_false': 'Stop Date must be after Start Date',
+    },
    )