The Director, the Chief of the Illinois Natural History Survey and the Director of the Illinois State Museum, or their representatives, and representatives of such other agencies, institutions and organizations as the Commission may determine shall serve as advisors to the Commission. The Commission may appoint consultants. Advisors and consultants shall have the privilege of discussion and debate, but without the right to vote, in the meetings of the Commission. They shall serve without compensation but may be reimbursed for necessary expenses incurred in connection with the performance of their duties. The Commission may meet without the participation of the advisors and consultants when it so desires.
525 ILCS 30/5