OCA/l10n-italy

<?xml version="1.0" ?>
<openerp>
    <data>

        <record id="view_tax_form_account_tax_kind" model="ir.ui.view">
            <field name="name">account.tax.form.account.tax.kind</field>
            <field name="model">account.tax</field>
            <field name="inherit_id" ref="account.view_tax_form"/>
            <field name="arch" type="xml">
                <xpath expr="//field[@name='sequence']" position="after">
                    <field name="kind_id" />
                    <field name="law_reference" attrs="{'required': [('kind_id', '!=', False),('type_tax_use', '!=', 'purchase')], 'invisible': ['|',('kind_id', '=', False),('type_tax_use', '=', 'purchase')]}"></field>
                </xpath>
            </field>
        </record>

  </data>
</openerp>