<?xml version="1.0"?>
<openerp>
    <data>
        <record model="ir.ui.view" id="view_res_partner_form">
            <field name="name">res.partner..extra.data.for.payment.form</field>
            <field name="model">res.partner</field>
            <field name="inherit_id" ref="account.view_partner_property_form"/>
            <field name="arch" type="xml">
                <field name="property_payment_term" position="after">
                    <separator string="Payment days part." colspan="2"/>
                    <field name="pay_days_fix_delivery"/>
                    <field name="pay_days_fix_delivery_extra" attrs="{'invisible':[('pay_days_fix_delivery','=',False)]}"/>
                    <field name="pay_days_m1"/>
                    <field name="pay_days_m1_days"/>
                    <field name="pay_days_m2"/>
                    <field name="pay_days_m2_days"/>
                </field>
            </field>
        </record>
    </data>
</openerp>


<?xml version="1.0"?>
<openerp>
    <data>
        <record model="ir.ui.view" id="view_res_partner_form">
            <field name="name">res.partner..extra.data.for.payment.form</field>
            <field name="model">res.partner</field>
            <field name="inherit_id" ref="account.view_partner_property_form"/>
            <field name="arch" type="xml">
                <field name="property_payment_term" position="after">
                    <group colspan="4" col="4">
                        <separator string="Payment days part." colspan="4"/>
                        <field name="pay_days_fix_delivery"/>
                        <field name="pay_days_fix_delivery_extra" attrs="{'invisible':[('pay_days_fix_delivery','=',0)]}"/>
                        <field name="pay_days_m1"/>
                        <field name="pay_days_m1_days"/>
                        <field name="pay_days_m2"/>
                        <field name="pay_days_m2_days"/>
                    </group>
                </field>
            </field>
        </record>
    </data>
</openerp>


Add view data for partner payment days
Add view data for partner payment days
