15 ILCS 505/9: Receipt of money by Treasurer.

The Treasurer shall, on the receipt of any money, give the person paying the same a confirmation of receipt which shall be presented to the State Comptroller, who shall enter his or her approval and notify the person presenting the same, and retain a record of those approvals in his or her office, and charge the amount thereof against the Treasurer. No receipt shall be of any validity unless approved by both the Comptroller and Treasurer as provided in this Section.