Section 4-A-401. 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.