bank-payment/account_payment_partner/views/report_invoice.xml

<?xml version="1.0" encoding="utf-8"?>
<openerp>
    <data>
        <template id="report_invoice_payment_mode" inherit_id="account.report_invoice_document">
            <xpath expr="//p[@t-if='o.payment_term.note']" position="after">
                <p t-if="o.payment_mode_id.note">
                    <strong>Payment Mode:</strong>
                    <span t-field="o.payment_mode_id.note" />
                </p>
                <p t-if="o.partner_bank_id">
                    <strong>Bank Account:</strong>
                    <span t-field="o.partner_bank_id.acc_number" />
                </p>
            </xpath>
        </template>
    </data>
</openerp>