The executive director shall keep a record of the proceedings of the Service and shall be custodian of all books, documents, and papers filed with the Service and of the minute book or journal of the Service and may give certificates under the official seal of the Service to the effect that copies are true copies, and all persons dealing with the Service may rely upon such certificates. The records and documents of the Service shall be considered public records subject to reasonable inspection. The executive director shall, subject to the supervision and direction of the Service, be the chief administrative officer of the Service.
70 ILCS 3110/7