20 ILCS 415/13: Unlawful acts prohibited.

(1) No person shall make any false statement, certificate, mark, rating, or report with regard to any test, certification, or appointment made under any provision of this law, or in any manner commit or attempt to commit any fraud preventing the impartial execution of this law and the rules.

(2) No person shall, directly or indirectly, give, render, pay, offer, solicit, or accept any money, service, or other valuable consideration for or on account of any appointment, proposed appointment, promotion, or proposed promotion to, or any advantage in, a position in the State service.

(3) No person shall defeat, deceive, or obstruct any person in his right to a qualification assessment examination, eligibility, certification, or appointment under this law, or furnish to any person any special or secret information for the purpose of affecting the rights or prospects of any person with respect to employment in the State service.

(4) No person may enter into any agreement under which a State employee is offered or assured of re-employment in the same department or agency after the employee's resignation from State employment for the purpose of receiving payment for accrued vacation, overtime, sick leave or personal leave, or for the purpose of receiving a refund of the employee's accumulated pension contributions.