diff --git a/addons/account/account_invoice.py b/addons/account/account_invoice.py
index 5e5ac5f482b..63191795ea3 100644
--- a/addons/account/account_invoice.py
+++ b/addons/account/account_invoice.py
@@ -202,7 +202,7 @@ class account_invoice(osv.osv):
             ('draft','Draft'),
             ('proforma','Pro-forma'),
             ('proforma2','Pro-forma'),
-            ('open','Open'),
+            ('open','Validate'),
             ('paid','Paid'),
             ('cancel','Cancelled')
             ],'State', select=True, readonly=True,
diff --git a/addons/account/account_invoice_view.xml b/addons/account/account_invoice_view.xml
index 59977c252f9..ccaa033bea3 100644
--- a/addons/account/account_invoice_view.xml
+++ b/addons/account/account_invoice_view.xml
@@ -207,11 +207,11 @@
                                 <field name="state" widget="statusbar" statusbar_visible="draft,open,paid" statusbar_colors='{"proforma":"blue","proforma2":"blue"}'/>
                                 <field name="residual"/>
                                 <group col="6" colspan="4">
+                                    <button name="invoice_open" states="draft,proforma2" string="Validate" icon="terp-camera_test"/>
+                                    <button name="%(action_account_invoice_refund)d" type='action' string='Ask Refund' states='open,paid' icon="gtk-execute"/>
                                     <button name="invoice_cancel" states="draft,proforma2,sale,open" string="Cancel" icon="gtk-cancel" groups="base.group_no_one"/>
                                     <button name="action_cancel_draft" states="cancel" string="Set to Draft" type="object" icon="terp-stock_effects-object-colorize"/>
-                                    <button name="%(action_account_invoice_refund)d" type='action' string='Refund' states='open,paid' icon="gtk-execute"/>
                                     <button name='%(action_account_state_open)d' type='action' string='Re-Open' groups="account.group_account_invoice" attrs="{'invisible':['|', ('state','&lt;&gt;','paid'), ('reconciled', '=', True)]}" icon="gtk-convert" help="This button only appears when the state of the invoice is 'paid' (showing that it has been fully reconciled) and auto-computed boolean 'reconciled' is False (depicting that it's not the case anymore). In other words, the invoice has been dereconciled and it does not fit anymore the 'paid' state. You should press this button to re-open it and let it continue its normal process after having resolved the eventual exceptions it may have created."/>
-                                    <button name="invoice_open" states="draft,proforma2" string="Approve" icon="terp-camera_test"/>
                                 </group>
                             </group>
                         </page>
diff --git a/addons/account_voucher/account_voucher_pay_invoice.xml b/addons/account_voucher/account_voucher_pay_invoice.xml
index 345241cb4ee..7a6aad55516 100644
--- a/addons/account_voucher/account_voucher_pay_invoice.xml
+++ b/addons/account_voucher/account_voucher_pay_invoice.xml
@@ -19,7 +19,7 @@
             <field name="inherit_id" ref="account.invoice_supplier_form"/>
             <field name="arch" type="xml">
                 <button name="invoice_open" position="after">
-                    <button name="invoice_pay_customer" type="object" string="Pay Invoice" states="open" icon="gtk-go-forward"/>
+                    <button name="invoice_pay_customer" type="object" string="Pay" states="open" icon="gtk-go-forward"/>
                 </button>
             </field>
         </record>
diff --git a/addons/account_voucher/account_voucher_view.xml b/addons/account_voucher/account_voucher_view.xml
index 53fdaef8c1f..c0061f15cd3 100644
--- a/addons/account_voucher/account_voucher_view.xml
+++ b/addons/account_voucher/account_voucher_view.xml
@@ -103,9 +103,9 @@
                     </notebook>
                     <group col="10" colspan="4">
                         <field name="state" widget="statusbar" statusbar_visible="draft,posted" statusbar_colors='{"proforma":"blue"}'/>
+                        <button name="proforma_voucher" string="Post" states="draft" icon="terp-camera_test"/>
                         <button name="cancel_voucher" string="Cancel" states="draft,proforma"  icon="gtk-cancel"/>
                         <button name="cancel_voucher" string="Cancel" type="object" states="posted" icon="terp-stock_effects-object-colorize" confirm="Are you sure to unreconcile this record ?"/>
-                        <button name="proforma_voucher" string="Post" states="draft" icon="terp-camera_test"/>
                         <button name="action_cancel_draft" type="object" states="cancel" string="Set to Draft" icon="terp-stock_effects-object-colorize"/>
                     </group>
                 </form>
diff --git a/addons/account_voucher/voucher_payment_receipt_view.xml b/addons/account_voucher/voucher_payment_receipt_view.xml
index 241bd23d5bb..1bb84ba1ab6 100644
--- a/addons/account_voucher/voucher_payment_receipt_view.xml
+++ b/addons/account_voucher/voucher_payment_receipt_view.xml
@@ -251,10 +251,10 @@
                     </notebook>
                     <group col="10" colspan="4">
                         <field name="state" widget="statusbar" statusbar_visible="draft,posted" statusbar_colors='{"proforma":"blue"}'/>
-                        <button name="cancel_voucher" string="Cancel" states="draft,proforma"  icon="gtk-cancel" invisible="context.get('line_type', False)"/>
-                        <button name="cancel_voucher" string="Unreconcile" type="object" states="posted" icon="terp-stock_effects-object-colorize" invisible="context.get('line_type', False)" confirm="Are you sure to unreconcile and cancel this record ?"/>
-                        <button name="action_cancel_draft" type="object" states="cancel" string="Set to Draft" icon="terp-stock_effects-object-colorize" invisible="context.get('line_type', False)"/>
                         <button name="proforma_voucher" string="Validate" states="draft" icon="gtk-go-forward" invisible="context.get('line_type', False)"/>
+                        <button name="cancel_voucher" string="Unreconcile" type="object" states="posted" icon="terp-stock_effects-object-colorize" invisible="context.get('line_type', False)" confirm="Are you sure to unreconcile and cancel this record ?"/>
+                        <button name="cancel_voucher" string="Cancel" states="draft,proforma"  icon="gtk-cancel" invisible="context.get('line_type', False)"/>
+                        <button name="action_cancel_draft" type="object" states="cancel" string="Set to Draft" icon="terp-stock_effects-object-colorize" invisible="context.get('line_type', False)"/>
                     </group>
                 </form>
             </field>