bank-payment/account_payment_mode_term/views/payment_mode.xml

<?xml version="1.0" encoding="utf-8"?>
<openerp>
    <data>

        <!-- 
             Add the payment mode term filter settings
        -->
        <record id="view_payment_mode_form_inherit" model="ir.ui.view">
            <field name="name">payment.mode.form.inherit</field>
            <field name="model">payment.mode</field>
            <field name="inherit_id" ref="account_banking_payment_export.view_payment_mode_form_inherit"/>
            <field name="arch" type="xml">
                <xpath expr="/form/group[@col='4']" position="inside">
                    <group string="Optional filter by payment term"
                            name="filter-payment-term" colspan="2">
                        <field name="payment_term_ids" nolabel="1" colspan="2"/>
                    </group>
                </xpath>
            </field>
        </record>

    </data>
</openerp>