(810 ILCS 5/4-404) (from Ch. 26, par. 4-404)
Sec. 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 6 months after its date, but it may charge its customer's account for a payment made thereafter in good faith.
(Source: Laws 1961, p. 2101.)