(1) Subject to paragraphs (2), (2A) to (2D) and (3), the payer's payment service provider must ensure that the amount of the payment transaction is credited to the payee's payment service provider's account by the end of the business day following the time of receipt of the payment order.
(2) Where a payment transaction is initiated by way of a paper payment order the reference in paragraph (1) to the end of the business day following the time of receipt of the payment order is to be treated as a reference to the end of the second business day following the time of receipt of the payment order.
(2A) Paragraph (2B) applies where the following conditions are met-
(a) the payer's payment service provider has established that there are reasonable grounds to suspect a payment order from a payer has been placed subsequent to fraud or dishonesty perpetrated by a person other than the payer; and
(b) such grounds are established by no later than the end of the business day following the time of
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