diff -r 6c0d835dd918 trytond/trytond/model/fields/many2many.py
--- a/trytond/trytond/model/fields/many2many.py	Wed May 11 10:40:32 2016 +0200
+++ b/trytond/trytond/model/fields/many2many.py	Mon May 30 13:35:59 2016 +0200
@@ -287,6 +287,9 @@
         table, _ = tables[None]
         name, operator, value = domain[:3]
         assert operator not in {'where', 'not where'} or '.' not in name
+        method = getattr(Model, 'domain_%s' % name, None)
+        if method:
+            return method(domain, tables)
 
         if Relation._history and transaction.context.get('_datetime'):
             relation = Relation.__table_history__()
diff -r 6c0d835dd918 trytond/trytond/model/fields/many2one.py
--- a/trytond/trytond/model/fields/many2one.py	Wed May 11 10:40:32 2016 +0200
+++ b/trytond/trytond/model/fields/many2one.py	Mon May 30 13:35:59 2016 +0200
@@ -159,6 +159,9 @@
 
         table, _ = tables[None]
         name, operator, value = domain[:3]
+        method = getattr(Model, 'domain_%s' % name, None)
+        if method:
+            return method(domain, tables)
         column = self.sql_column(table)
         if '.' not in name:
             if operator.endswith('child_of') or operator.endswith('parent_of'):
diff -r 6c0d835dd918 trytond/trytond/model/fields/one2many.py
--- a/trytond/trytond/model/fields/one2many.py	Wed May 11 10:40:32 2016 +0200
+++ b/trytond/trytond/model/fields/one2many.py	Mon May 30 13:35:59 2016 +0200
@@ -232,6 +232,9 @@
         table, _ = tables[None]
         name, operator, value = domain[:3]
         assert operator not in {'where', 'not where'} or '.' not in name
+        method = getattr(Model, 'domain_%s' % name, None)
+        if method:
+            return method(domain, tables)
 
         if Target._history and transaction.context.get('_datetime'):
             target = Target.__table_history__()
diff -r 6c0d835dd918 trytond/trytond/model/fields/property.py
--- a/trytond/trytond/model/fields/property.py	Wed May 11 10:40:32 2016 +0200
+++ b/trytond/trytond/model/fields/property.py	Mon May 30 13:35:59 2016 +0200
@@ -75,6 +75,9 @@
         cursor = Transaction().connection.cursor()
 
         name, operator, value = domain
+        method = getattr(Model, 'domain_%s' % name, None)
+        if method:
+            return method(domain, tables)
 
         sql_type = self._field.sql_type().base
 
diff -r 6c0d835dd918 trytond/trytond/model/fields/reference.py
--- a/trytond/trytond/model/fields/reference.py	Wed May 11 10:40:32 2016 +0200
+++ b/trytond/trytond/model/fields/reference.py	Mon May 30 13:35:59 2016 +0200
@@ -124,6 +124,9 @@
             return super(Reference, self).convert_domain(domain, tables, Model)
         pool = Pool()
         name, operator, value, target = domain[:4]
+        method = getattr(Model, 'domain_%s' % name, None)
+        if method:
+            return method(domain, tables)
         Target = pool.get(target)
         table, _ = tables[None]
         name, target_name = name.split('.', 1)