30 ILCS 535/10

In the procurement of architectural, engineering, and land surveying services and in the awarding of contracts, a State agency may comply with federal law and regulations including, but not limited to, Public Law 92-582 (Federal Architect-Engineer Selection Law, Brooks Law, 40 U.S.C. 541) and take all necessary steps to adapt its rules, specifications, policies, and procedures accordingly to remain eligible for federal aid.