Uniform Commercial Code

U.C.C. - ARTICLE 4 - BANK DEPOSITS AND COLLECTIONS
..PART 4. RELATIONSHIP BETWEEN PAYOR BANK AND ITS CUSTOMER

§ 4-404. BANK NOT OBLIGED 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.