Payment of Checks Checks are always payable on demand. The UCC provides that, with respect to the liability of the drawer, a reasonable length of time for presentation for payment is 3|] days after the date appearing on the check or after issue (the date the check is actually written), whichever is later. A bank may pay a check presented more than 30 days after its date, but it is not required to do so. A check presented more than six months after its date is known as a stale check (UCC 4-404). Stale checks will not be honored by banks. The Check Clearing for the 21Eit Century Act [Check 21) The law revolutionized the manner in which checks are handled by banks; Check 21 created efciency in check handling by allowing banks to create digital substitutes of checks to be handled electronically, thereby removing paper checks from the process. Electronic check transfers occur almost