bank-payment/account_payment_partner/views/report_invoice.xml

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

    <template id="report_invoice_payment_mode" inherit_id="account.report_invoice_document">
        <xpath expr="//p[@t-if='o.payment_term_id']" position="after">
            <p t-if="o.payment_mode_id.note">
                <strong>Payment Mode:</strong>
                <span t-field="o.payment_mode_id.note" />
            </p>
            <t t-if="o.payment_mode_id and o.payment_mode_id.show_bank_account != 'no'">
                <p t-foreach="o.partner_banks_to_show()" t-as="partner_bank">
                    <strong>Bank Account:</strong>
                    <t t-if="partner_bank.bank_id">
                        <t t-esc="partner_bank.bank_id.name + ('' if not partner_bank.bank_id.bic else ' (' + partner_bank.bank_id.bic + ')')" />
                    </t>
                    <t t-if="o.payment_mode_id.show_bank_account == 'full'">
                        <span t-field="partner_bank.acc_number"/>
                    </t>
                    <t t-elif="o.payment_mode_id.show_bank_account == 'first'">
                        <span t-esc="partner_bank.acc_number[:o.payment_mode_id.show_bank_account_chars] + '*' * (len(partner_bank.acc_number) - o.payment_mode_id.show_bank_account_chars)"/>
                    </t>
                    <t t-elif="o.payment_mode_id.show_bank_account == 'last'">
                        <span t-esc="'*' * (len(partner_bank.acc_number) - o.payment_mode_id.show_bank_account_chars) + partner_bank.acc_number[-o.payment_mode_id.show_bank_account_chars:]"/>
                    </t>
                </p>
            </t>
        </xpath>
    </template>

</flectra>