contract/contract_account_banking_mandate/views/contract_view.xml

<?xml version="1.0" encoding="utf-8"?>
<!-- Copyright 2016 Binovo IT Human Project SL
     License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl). -->
<openerp>
<data>

        <record id="account_analytic_account_form_form_mandate" model="ir.ui.view">
            <field name="name">account.analytic.account.form.form.mandate</field>
            <field name="model">account.analytic.account</field>
            <field name="inherit_id"
                ref="account_analytic_analysis.account_analytic_account_form_form" />
            <field name="arch" type="xml">
                <field name="recurring_next_date" position="after">
                    <field name="mandate_id" domain="[('partner_id', '=', partner_id), ('state', '=', 'valid')]"/>
                </field>
            </field>
        </record>
</data>
</openerp>