Okla. Stat. tit. 12A, § 12A-4A-505: Preclusion of Objection to Debit of Customer's

Account.

PRECLUSION OF OBJECTION TO DEBIT OF CUSTOMER'S ACCOUNT

(a) If a receiving bank has received payment from its customer

with respect to a payment order issued in the name of the customer

as sender and accepted by the bank, and the customer received

notification reasonably identifying the order, the customer is

precluded from asserting that the bank is not entitled to retain the

payment unless the customer notifies the bank of the customer's

objection to the payment within (1) one year after the notification

was received by the customer.

(b) The one-year period provided for in subsection (a) of this

section may be reduced by agreement, but not to less than sixty (60)

days.