<record id="customer_ring_name" model="ir.ui.view">

<field name="name">customer.name.inherit.form</field>

<field name="model">sale.order</field>

<field name="inherit_id" ref="sale.view_order_form"/>

<field name="arch" type="xml">

<field name="boolvalue" invisible="1"/>

<t t-if="boolvalue == 'True'">

<xpath expr="/form/sheet/notebook/page/field[@name='order_line']/tree/field[@name='tax_id']" position="after" >

<!-- <field name="boolvalue" invisible="1"/> -->

<field name="string" />

</xpath>

</t>

</field>

</record>