35 ILCS 5/604

(35 ILCS 5/604) (from Ch. 120, par. 6-604)

Sec. 604.

Any payment to the Department which is made by a check or
money order not payable to the Department shall, within 15 days after
receipt thereof, be returned by
the Department to the taxpayer who submitted
such check or money order or, if the amount of payment is equal to the
amount owed to the State of Illinois, the Department may deposit
such check.

(Source: P.A. 86-977.)