+ <xpath expr="//field[@name='occupation_id']" position="replace">
+ <field name="occupation_id" on_change="onchange_occupation_id(occupation_id)" domain="[('domain','=', 'occupation')]" attrs="{'required': [('is_company','=', False)]}" widget="selection"/>
+ <field name="is_student"/>
+ <field name="scholarship" attrs="{'invisible': [('is_student','=', False)]}"/>
+ </xpath>