mail-addons/mail_wall_custom/views.xml

<?xml version="1.0" encoding="UTF-8"?>
<openerp>
    <data>
        <record id="view_employee_form" model="ir.ui.view">
            <field name="name">hr.employee.form</field>
            <field name="model">hr.employee</field>
			<field name="inherit_id" ref="hr.view_employee_form"/>
            <field name="arch" type="xml">
                <xpath expr="//group[@name='active_group']" position="before">
					<group string="Bonuses">
						<field name="default_section_id"/>
						<field name="personal_comission"/>
						<field name="team_bonus"/>
						<field name="company_bonus"/>
					</group>
				</xpath>
			</field>
		</record>
	</data>
</openerp>