30 ILCS 540/6

(30 ILCS 540/6) (from Ch. 127, par. 132.406) Sec. 6. A State official or agency may not request any vendor or contractor to waive his rights, under this Act, to recover a penalty for late payment as a condition of, or inducement to enter into, any contract for goods or services. (Source: P.A. 87-773.)