20 ILCS 45/30: General provisions.

(a) To the extent that any Executive Order, Administrative Order, Intergovernmental or Interagency Agreement (to which the State of Illinois or one of its executive branch agencies is a party), or other policy, procedure, or protocol conflicts with, contradicts, or is inconsistent with any provision of this Act, that conflicting, contradicting, or inconsistent Order, Agreement, policy, procedure, or protocol is hereby expressly revoked, repealed, and superseded.

(b) Nothing in this Act shall be construed to contravene any State or federal law or any collective bargaining agreement.