diff --git a/addons/account/account.py b/addons/account/account.py
index 8cccd7e3be5..9e431f65e7b 100644
--- a/addons/account/account.py
+++ b/addons/account/account.py
@@ -538,7 +538,7 @@ class account_account(osv.osv):
     def write(self, cr, uid, ids, vals, context=None):
         if context is None:
             context = {}
-
+            
         if 'company_id' in vals:
             move_lines = self.pool.get('account.move.line').search(cr, uid, [('account_id', 'in', ids)])
             if move_lines:
@@ -1149,8 +1149,26 @@ class account_move(osv.osv):
         else:
             raise osv.except_osv(_('Integrity Error !'), _('You can not validate a non-balanced entry !\nMake sure you have configured Payment Term properly !\nIt should contain atleast one Payment Term Line with type "Balance" !'))
         return True
-
+    
     def button_validate(self, cursor, user, ids, context=None):
+        def _get_chart_account(cursor, user, account):
+            if account.parent_id:
+                chart_account = _get_chart_account(cursor, user, account.parent_id)
+            else:
+                chart_account = account
+            return chart_account
+            
+        for move in self.browse(cursor, user, ids):
+            lines = move.line_id
+            if lines:
+                ref_line = lines[0]
+                ref_chart_account = _get_chart_account(cursor, user, ref_line.account_id)
+                parent_left = ref_chart_account.parent_left
+                parent_right = ref_chart_account.parent_right
+                result = True
+                for line in lines[1:]:
+                   if not(line.account_id.parent_left > parent_left and line.account_id.parent_left < parent_right):
+                         raise osv.except_osv(_('Error !'), _('You cannot validate a move unless accounts in its entry lines are in same Chart Of Accounts !'))
         return self.post(cursor, user, ids, context=context)
 
     def button_cancel(self, cr, uid, ids, context={}):
diff --git a/addons/account/wizard/account_chart.py b/addons/account/wizard/account_chart.py
index f7de4b593f3..3d5f308f7bd 100644
--- a/addons/account/wizard/account_chart.py
+++ b/addons/account/wizard/account_chart.py
@@ -24,7 +24,7 @@ from tools.translate import _
 
 class account_chart(osv.osv_memory):
     """
-    For Chart of Accounrs
+    For Chart of Accounts
     """
     _name = "account.chart"
     _description = "Account chart"