225 ILCS 320/39
The Governor shall appoint a Plumbing Code Advisory Council to consult with and advise the Department. The Council shall be composed of the Director or his or her authorized representative, who shall serve as chairman ex-officio, and 11 members appointed by the Governor. The appointed members shall consist of 4 Illinois licensed plumbers engaged in plumbing in Illinois who are residents of Illinois, one registered professional engineer actively engaged in construction and design of plumbing systems; one licensed architect; one elected official of a municipality in Illinois; 2 representatives of the consumer public in Illinois; and two persons representing labor. Members of the Council shall be appointed for 3 year terms. The Plumbing Code Advisory Council as appointed by the Governor under authority of this Act shall remain in effect for the term of their appointments. Any member appointed to fill a vacancy occurring prior to the expiration of the term for which his or her predecessor was appointed shall be appointed for the remainder of the term.
The Council shall meet as frequently as the Chairman deems necessary, but not less than once each year. Additional meetings may be called by the Chairman or by 3 members of the Council upon delivery of 10 days' written notice to the office of each member of the Council. Six members of the Council shall constitute a quorum. Each appointed member of the Council shall be reimbursed for actual expenses incurred in the performance of his or her duties.
225 ILCS 320/39