(1) Subject to paragraphs (2) to (5), a payment service user may not revoke a payment order after it has been received by the payer's payment service provider.
(2) In the case of a payment transaction initiated by or through the payee, the payer may not revoke the payment order after transmitting the payment order or giving consent to execute the payment transaction to the payee.
(3) In the case of a direct debit, the payer may not revoke the payment order after the end of the business day preceding the day agreed for debiting the funds.
(4) Where a day is agreed under regulation 65(4), the payment service user may not revoke a payment order after the end of the business day preceding the agreed day.
(5) At any time after the time limits for revocation set out in paragraphs (1) to (4), the payment order may only be revoked if the revocation is -
(a) agreed between the payment service user and its payment service provider; and
(b) in the case of a payment transaction initiated by o