diff --git a/addons/account/account.py b/addons/account/account.py
index 46c923850eb..e1f9d699815 100644
--- a/addons/account/account.py
+++ b/addons/account/account.py
@@ -1108,6 +1108,35 @@ class account_tax_code(osv.osv):
 
     This code is used for some tax declarations.
     """
+    def _sum(self, cr, uid, ids, name, args, context, where =''):
+        ids2 = self.search(cr, uid, [('parent_id', 'child_of', ids)])
+        acc_set = ",".join(map(str, ids2))
+        if context.get('based_on', 'invoices') == 'payments':
+            cr.execute('SELECT line.tax_code_id, sum(line.tax_amount) \
+                    FROM account_move_line AS line, \
+                        account_move AS move \
+                        LEFT JOIN account_invoice invoice ON \
+                            (invoice.move_id = move.id) \
+                    WHERE line.tax_code_id in ('+acc_set+') '+where+' \
+                        AND move.id = line.move_id \
+                        AND ((invoice.state = \'paid\') \
+                            OR (invoice.id IS NULL)) \
+                    GROUP BY line.tax_code_id')
+        else:
+            cr.execute('SELECT line.tax_code_id, sum(line.tax_amount) \
+                    FROM account_move_line AS line \
+                    WHERE line.tax_code_id in ('+acc_set+') '+where+' \
+                    GROUP BY line.tax_code_id')
+        res=dict(cr.fetchall())
+        for record in self.browse(cr, uid, ids, context):
+            def _rec_get(record):
+                amount = res.get(record.id, 0.0)
+                for rec in record.child_ids:
+                    amount += _rec_get(rec) * rec.sign
+                return amount
+            res[record.id] = round(_rec_get(record), 2)
+        return res
+
     def _sum_period(self, cr, uid, ids, name, args, context):
         if 'period_id' in context and context['period_id']:
             period_id = context['period_id']
@@ -1126,6 +1155,7 @@ class account_tax_code(osv.osv):
         'name': fields.char('Tax Case Name', size=64, required=True),
         'code': fields.char('Case Code', size=64),
         'info': fields.text('Description'),
+        'sum': fields.function(_sum, method=True, string="Year Sum"),
         'sum_period': fields.function(_sum_period, method=True, string="Period Sum"),
         'parent_id': fields.many2one('account.tax.code', 'Parent Code', select=True),
         'child_ids': fields.one2many('account.tax.code', 'parent_id', 'Childs Codes'),
diff --git a/addons/account/account_view.xml b/addons/account/account_view.xml
index ec6470f8c36..42fa70cd174 100644
--- a/addons/account/account_view.xml
+++ b/addons/account/account_view.xml
@@ -527,6 +527,7 @@
                 <tree string="Account Tax Code" toolbar="1">
                     <field name="name"/>
                     <field name="code"/>
+                    <field name="sum"/>
                     <field name="sum_period"/>
                 </tree>
             </field>
@@ -543,6 +544,7 @@
                     <field name="parent_id" select="1"/>
                     <field name="sign"/>
                     <newline/>
+                    <field name="sum"/>
                     <field name="sum_period"/>
                     <newline/>
                     <field colspan="4" name="info"/>