+<?xml version="1.0" encoding="UTF-8"?>
+<openerp>
+ <data>
+ <record id="view_pos_pos_form" model="ir.ui.view">
+ <field name="name">pos.order</field>
+ <field name="model">pos.order</field>
+ <field name="inherit_id" ref="point_of_sale.view_pos_pos_form"/>
+ <field name="arch" type="xml">
+ <xpath expr="//button[@name='action_invoice']" position="attributes">
+ <attribute name="invisible">1</attribute>
+ </xpath>
+ <xpath expr="//field[@name='partner_id']" position="replace">
+ <field name="partner_id" on_change="onchange_partner_id(partner_id, context)" context="{'search_default_customer': 1, 'form_view_ref': 'bikecoop.view_bikecoop_members_form'}" attrs="{'readonly': [('state','=', 'invoiced')]}"/>
+ </xpath>
+ </field>
+ </record>
+ </data>
+</openerp>