Ill. Admin. Code tit. 44 § 625.30
It is the policy of the Department to execute and administer contracts hereunder in accordance with applicable State and Federal laws and regulations regarding nondiscrimination in the hiring of employees or firms, on the basis of race, color, religion, sex or national origin and regarding affirmative action. While every attempt is made to apprise potential consultants of the requirements this policy may impose upon them, the lack of such apprisal will not preclude the Department from requiring compliance with such applicable laws and regulations as a condition to continued payment for work completed under a contract with the Department; nor will the lack of such apprisal preclude the Department from requiring the return of such payments which would not have been made if, at the time of payment, the Department had been aware of any noncompliance.
Ill. Admin. Code tit. 44, § 625.30