+ <record id="view_invoice_line_form" model="ir.ui.view">
+ <field name="name">account.invoice.line.form</field>
+ <field name="model">account.invoice.line</field>
+ <field name="inherit_id" ref="account.view_invoice_line_form"/>
+ <field name="arch" type="xml">
+ <xpath expr="//field[@name='account_analytic_id']" position="attributes">
+ <attribute name="required">1</attribute>
+ </xpath>
+ </field>
+ </record>
+