diff --git a/product/ERP5/Constraint/ResourceMeasuresConsistency.py b/product/ERP5/Constraint/ResourceMeasuresConsistency.py
index 68c9e0ee90425a4b6628fe9063e542afc6c09e79..0ab3400bb277ab3edcc447e2a23f8813648ee421 100644
--- a/product/ERP5/Constraint/ResourceMeasuresConsistency.py
+++ b/product/ERP5/Constraint/ResourceMeasuresConsistency.py
@@ -60,9 +60,6 @@ class ResourceMeasuresConsistency(Constraint):
     error_list = []
     portal = obj.getPortalObject()
 
-    if obj.getPortalType() not in portal.getPortalResourceTypeList():
-      return error_list
-
     error = lambda msg, **kw: error_list.append(
       self._generateError(obj, self._getMessage(msg), mapping=kw))
 
diff --git a/product/ERP5/PropertySheet/Resource.py b/product/ERP5/PropertySheet/Resource.py
index c1155857d78233b48dc45adfee050867de81851a..0c032e7b38e9e0a1efb01730b2ffe0b8d9bf727b 100644
--- a/product/ERP5/PropertySheet/Resource.py
+++ b/product/ERP5/PropertySheet/Resource.py
@@ -179,13 +179,6 @@ class Resource:
 
     )
 
-    _constraints = (
-        {   'id': 'resource_measures_consistency',
-            'description': '',
-            'type': 'ResourceMeasuresConsistency',
-        },
-    )
-
     _categories = ( 'source', 'destination', 'quantity_unit', 'price_unit',
                     'weight_unit', 'length_unit', 'height_unit', 'width_unit',
                     'volume_unit',
diff --git a/product/ERP5/PropertySheet/ResourceConstraint.py b/product/ERP5/PropertySheet/ResourceConstraint.py
new file mode 100644
index 0000000000000000000000000000000000000000..0b6af6fb8fdbe7659bd7f85a986a78674d66c521
--- /dev/null
+++ b/product/ERP5/PropertySheet/ResourceConstraint.py
@@ -0,0 +1,36 @@
+##############################################################################
+#
+# Copyright (c) 2008 Nexedi SARL and Contributors. All Rights Reserved.
+#
+# WARNING: This program as such is intended to be used by professional
+# programmers who take the whole responsability of assessing all potential
+# consequences resulting from its eventual inadequacies and bugs
+# End users who are looking for a ready-to-use solution with commercial
+# garantees and support are strongly adviced to contract a Free Software
+# Service Company
+#
+# This program is Free Software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+#
+##############################################################################
+
+class ResourceConstraint:
+  """Constraints for Resource
+  """
+
+  _constraints = (
+    { 'id': 'resource_measures_consistency',
+      'type': 'ResourceMeasuresConsistency',
+    },
+  )