stock_view.xml

<?xml version="1.0" encoding="utf-8"?>
<openerp>
    <data>
        <record id="view_picking_out_form_carrier_file" model="ir.ui.view">
            <field name="name">stock.picking.out.form</field>
            <field name="model">stock.picking.out</field>
            <field name="inherit_id" ref="stock.view_picking_out_form"/>
            <field name="arch" type="xml">
                <data>
                    <page string="Additional Info" position="inside">
                        <group>
                            <field name="carrier_file_generated"/>
                        </group>
                    </page>
                </data>
            </field>
        </record>

        <record id="view_picking_out_search_carrier_file" model="ir.ui.view">
            <field name="name">stock.picking.out.search</field>
            <field name="model">stock.picking.out</field>
            <field name="inherit_id" ref="stock.view_picking_out_search"/>
            <field name="arch" type="xml">
                <data>
                    <filter name="to_invoice" position="after">
                        <separator orientation="vertical"/>
                        <filter icon="terp-emblem-documents" name="carrier_file" string="Carrier File To Generate" domain="[('carrier_file_generated', '=', False), ('carrier_id', '!=', False), ('carrier_id.carrier_file_id', '!=', False), ('state', '=', 'done')]" help="Delivery orders to invoice"/>
                    </filter>
                </data>
            </field>
        </record>
    </data>
</openerp>