65 ILCS 5/8-10-18
Current through Public Act 103-586
No department, office, institution, commission, board, agency, or instrumentality of any such municipality, or any officer or employee thereof, shall be empowered to execute any purchase order or contract as defined in Section 8-10-3 except as herein specifically authorized, but all such purchase orders or contracts shall be executed by the purchasing agent in conformity with the provisions of this Division 10.
65 ILCS 5/8-10-18