N.C. Gen. Stat. § 25-4-404: Bank not obligated to pay check more than six months old.

A bank is under no obligation to a customer having a checking account to pay a check, other than a certified check, which is presented more than six months after its date, but it may charge its customer's account for a payment made thereafter in good faith. (C. S., s. 3168; 1929, c. 341, s. 3; 1965, c. 700, s. 1.)