15 ILCS 310/10
The Director of Personnel shall prepare and submit to the Merit Commission proposed rules for all positions and employees subject to this Act. Such rules or any part thereof shall have the force and effect of law. Copies of all such rules, and of all changes therein, duly certified by the Director of Personnel, shall be filed in the Office of the Secretary of State. Before a new rule or an amendment to a rule may be adopted a public hearing thereon, at which interested persons may be heard, shall be conducted by the Department of Personnel. Notice of the times and places of such hearings shall be given by the Department of Personnel, in such form and manner as shall be prescribed by the Director. Proposed new rules or amendments may be inspected by any interested person during regular business hours at such office or offices of the Department of Personnel as may be designated by the Director of Personnel at any time after service of notice of time and place of hearing. After the hearing thereon, proposed new rules or amendments may be revised by the Director of Personnel without further hearing to incorporate changes suggested at such public hearing, and the Director of Personnel may submit same to the Merit Commission with or without revision. If proposed new rules or amendments so submitted are not disapproved by the Commission within 30 calendar days after the Commission's receipt thereof, they may be filed by the Director of Personnel in the Office of the Secretary of State, and shall thereafter have the force and effect of law, subject to the provisions of "The Illinois Administrative Procedure Act", approved September 22, 1975, as amended.
The rules and amendments thereto shall include provisions as specified in Sections 10a through 10e.
15 ILCS 310/10