<odoo>
    <record id="res_partner_sale_type_form_view" model="ir.ui.view">
        <field name="name">res.partner.sale_type.form</field>
        <field name="model">res.partner</field>
        <field name="inherit_id" ref="base.view_partner_form" />
        <field name="arch" type="xml">
            <group name="sale" position="inside">
                <field name="sale_type" />
            </group>
        </field>
    </record>
</odoo>
