<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>