l10n_it_ateco/view/partner_view.xml
<?xml version="1.0" ?>
<openerp>
<data>
<record model="ir.ui.view" id="view_partner_form_inherit_ateco">
<field name="name">partner.form.ateco</field>
<field name="model">res.partner</field>
<field name="inherit_id"
ref="base.view_partner_form"/>
<field name="type">form</field>
<field name="arch" type="xml">
<notebook position="inside">
<page string="Ateco">
<group colspan="4" string="Ateco categories">
<field colspan="4"
name="ateco_category_ids"
nolabel="1" />
</group>
</page>
</notebook>
</field>
</record>
</data>
</openerp>