pos/pos_pricelist/views/pos_pricelist_views.xml

<?xml version="1.0"?>
<openerp>
    <data>
        <record id="view_pos_config_form_pos_pricelist" model="ir.ui.view">
            <field name="name">view.pos.config.form.pos.pricelist</field>
            <field name="model">pos.config</field>
            <field name="inherit_id" ref="point_of_sale.view_pos_config_form"/>
            <field name="arch" type="xml">
                <field name="iface_big_scrollbars" position="after">
                    <field name="display_price_with_taxes"/>
                </field>
            </field>
        </record>
        <record id="view_product_pricelist_form_inherit_pos" model="ir.ui.view">
            <field name="name">product.pricelist.form.inherit.pos</field>
            <field name="model">product.pricelist</field>
            <field name="inherit_id" ref="product.product_pricelist_view"/>
            <field name="arch" type="xml">
                <data>
                    <xpath expr="//field[@name='type']" position="after">
                        <field name="pos_config_ids" attrs="{'invisible': [('type','!=','sale')]}" widget="many2many_tags"/>
                    </xpath>
                </data>
            </field>
        </record>
        
        <record id="view_product_pricelist_tree_inherit_pos" model="ir.ui.view">
            <field name="name">product.pricelist.tree.inherit.pos</field>
            <field name="model">product.pricelist</field>
            <field name="inherit_id" ref="product.product_pricelist_view_tree"/>
            <field name="arch" type="xml">
                <data>
                    <xpath expr="//field[@name='type']" position="after">
                        <field name="pos_config_ids" widget="many2many_tags"/>
                    </xpath>
                </data>
            </field>
        </record>
    </data>
</openerp>