Okla. Stat. tit. 12A, § 12A-4A-401: Payment date

PAYMENT DATE

"Payment date" of a payment order means the day on which the

amount of the order is payable to the beneficiary by the

beneficiary's bank. The payment date may be determined by

instruction of the sender but cannot be earlier than the day the

order is received by the beneficiary's bank and, unless otherwise

determined, is the day the order is received by the beneficiary's

bank.