diff --git a/product/ERP5/Constraint/AccountTypeConstraint.py b/product/ERP5/Constraint/AccountTypeConstraint.py
index 3046587aa0df5461ec9997cbd747805e8cf0c938..1a0d3a8d952bbe3d7ba907b25adb3eb5def1662e 100644
--- a/product/ERP5/Constraint/AccountTypeConstraint.py
+++ b/product/ERP5/Constraint/AccountTypeConstraint.py
@@ -61,6 +61,9 @@ class AccountTypeConstraint(Constraint):
   def checkConsistency(self, obj, fixit=0):
     """Implement here the consistency checker
     """
+    if not self._checkConstraintCondition(obj):
+      return []
+
     errors = []
     if getattr(obj, 'getAccountType', _MARKER) is _MARKER:
       errors.append(self._generateError(
diff --git a/product/ERP5/Constraint/BudgetConsumptionFeasability.py b/product/ERP5/Constraint/BudgetConsumptionFeasability.py
index 585a76f06db51386c9b318a5e27c5e285b1e3086..83b07753ff777a6c1d2cb41c68e8d187a6d47591 100644
--- a/product/ERP5/Constraint/BudgetConsumptionFeasability.py
+++ b/product/ERP5/Constraint/BudgetConsumptionFeasability.py
@@ -37,6 +37,9 @@ class BudgetConsumptionFeasability(Constraint):
       """
       Check if there is enough budget to consumed.
       """
+      if not self._checkConstraintCondition(object):
+        return []
+
       errors = []
 
       new_category_list = []
diff --git a/product/ERP5/Constraint/DocumentReferenceConstraint.py b/product/ERP5/Constraint/DocumentReferenceConstraint.py
index 2c6fd9acfe7bfc5a612b249fe529de0d208c7656..f3d9e234f72a25ea81b077139d9251afea5ad390 100644
--- a/product/ERP5/Constraint/DocumentReferenceConstraint.py
+++ b/product/ERP5/Constraint/DocumentReferenceConstraint.py
@@ -58,6 +58,9 @@ class DocumentReferenceConstraint(Constraint):
     """
       Implement here the consistency checker
     """
+    if not self._checkConstraintCondition(document):
+      return []
+
     # XXX we probably could check reference syntax here, based on regexp in
     # preferences?
     error_list = []
diff --git a/product/ERP5/Constraint/ResourceMeasuresConsistency.py b/product/ERP5/Constraint/ResourceMeasuresConsistency.py
index 0ab3400bb277ab3edcc447e2a23f8813648ee421..4506cbb265fc593fb039d2c23d969cd88a353c6f 100644
--- a/product/ERP5/Constraint/ResourceMeasuresConsistency.py
+++ b/product/ERP5/Constraint/ResourceMeasuresConsistency.py
@@ -57,6 +57,9 @@ class ResourceMeasuresConsistency(Constraint):
   def checkConsistency(self, obj, fixit=0):
     """Implement here the consistency checker
     """
+    if not self._checkConstraintCondition(obj):
+      return []
+
     error_list = []
     portal = obj.getPortalObject()
 
diff --git a/product/ERP5/Constraint/TradeModelLineCellConsistency.py b/product/ERP5/Constraint/TradeModelLineCellConsistency.py
index 6c5754a2a6b6c6dd6901582158db9b3d157fecdc..08da757e2d9ff1c4a137eb9a668b930c92bb543e 100644
--- a/product/ERP5/Constraint/TradeModelLineCellConsistency.py
+++ b/product/ERP5/Constraint/TradeModelLineCellConsistency.py
@@ -45,6 +45,9 @@ class TradeModelLineCellConsistency(Constraint):
     """
       Implement here the consistency checker
     """
+    if not self._checkConstraintCondition(document):
+      return []
+
     error_list = []
     base_id = self.constraint_definition['base_id']
     for cell_coordinates in document.getCellKeyList(base_id=base_id):
diff --git a/product/ERP5/Constraint/TransactionQuantityValueFeasability.py b/product/ERP5/Constraint/TransactionQuantityValueFeasability.py
index de338fc7b3a97cdb2931757b41f56b94d6ddc491..840bbc00ce6a1f4baf040acd050f9d3ba0742874 100644
--- a/product/ERP5/Constraint/TransactionQuantityValueFeasability.py
+++ b/product/ERP5/Constraint/TransactionQuantityValueFeasability.py
@@ -39,6 +39,9 @@ class TransactionQuantityValueFeasability(Constraint):
       Check if the quantity of the transaction is possible
       for the source and the destination
       """
+      if not self._checkConstraintCondition(object):
+          return []
+
       errors = []
       source_cell = object.getSourceValue()
       destination_cell = object.getDestinationValue()
diff --git a/product/ERP5/Constraint/TransactionQuantityValueValidity.py b/product/ERP5/Constraint/TransactionQuantityValueValidity.py
index 2a23859f2a23813fb23f08f839d1c3285d5b83f8..d2d62fb60e353c3b3afe23a2e7fe2d3b39698fef 100644
--- a/product/ERP5/Constraint/TransactionQuantityValueValidity.py
+++ b/product/ERP5/Constraint/TransactionQuantityValueValidity.py
@@ -38,6 +38,9 @@ class TransactionQuantityValueValidity(Constraint):
       Check if the quantity of the transaction is greater than the 
       balance of the source.
       """
+      if not self._checkConstraintCondition(object):
+        return []
+
       errors = []
 
       source_cell = object.getSourceValue()
diff --git a/product/ERP5Type/Constraint/PropertyTypeValidity.py b/product/ERP5Type/Constraint/PropertyTypeValidity.py
index b936989aeaf0a0682e994966691e23659268a278..5c49d17ed15065365cbc7a7715926376d29b08f7 100644
--- a/product/ERP5Type/Constraint/PropertyTypeValidity.py
+++ b/product/ERP5Type/Constraint/PropertyTypeValidity.py
@@ -78,6 +78,9 @@ class PropertyTypeValidity(Constraint):
   def checkConsistency(self, obj, fixit=0):
     """Check the object's consistency.
     """
+    if not self._checkConstraintCondition(obj):
+      return []
+
     error_list = []
     # For each attribute name, we check type
     for prop in obj.propertyMap():