partner-contact/partner_identification/views/res_partner_view.xml

<?xml version="1.0" encoding="UTF-8"?>
<odoo>

<!-- Modification of Partner - Adding Tab for Idenification Numbers -->
<record model="ir.ui.view" id="view_partner_form">
    <field name="name">res.partner.form.id_number</field>
    <field name="model">res.partner</field>
    <field name="inherit_id" ref="base.view_partner_form"/>
    <field name="priority" eval="10"/>
    <field name="arch" type="xml">
        <page name='sales_purchases' position="after">
          <page string="ID Numbers" name="id_numbers">
              <field name="id_numbers" colspan="4" nolabel="1"
                     widget="one2many_list"/>
          </page>
        </page>
    </field>
</record>

</odoo>