diff --git a/addons/account/wizard/account_vat_view.xml b/addons/account/wizard/account_vat_view.xml
index 5cb68563352..f0e5dcb1c13 100644
--- a/addons/account/wizard/account_vat_view.xml
+++ b/addons/account/wizard/account_vat_view.xml
@@ -15,8 +15,8 @@
                 <field name="fiscalyear_id"/>
                 <!--- <field name="based_on"/>--> <!-- the option based_on 'payment' is probably not fully compliant with what the users understand with that term. So, currently, it's seems better to remove it from the view to avoid further problems -->
                 <separator string="Periods"  colspan="4"/>
-                <field name="period_from"  domain="[('fiscalyear_id', '=', fiscalyear_id)]" attrs="{'readonly':[('filter','!=','filter_period')], 'required':[('filter', '=', 'filter_period')]}" />
-                <field name="period_to" domain="[('fiscalyear_id', '=', fiscalyear_id)]" attrs="{'readonly':[('filter','!=','filter_period')], 'required':[('filter', '=', 'filter_period')]}" />
+                <field name="period_from"  domain="[('fiscalyear_id', '=', fiscalyear_id)]"/>
+                <field name="period_to" domain="[('fiscalyear_id', '=', fiscalyear_id)]"/>
                 <group col="2" colspan="4">
                     <button icon='gtk-cancel' special="cancel"  string="Cancel" />
                     <button name="create_vat" string="Print Tax Statement" colspan="1" type="object" icon="gtk-ok"/>