110 ILCS 805/7-22

Warrants drawn and issued under Section 7-21 shall be numbered consecutively in the order of their issuance and shall show upon their face that they are payable solely from the taxes when collected, and not otherwise, and that payment thereof will be made in the order of their issuance, beginning with the warrant having the lowest number, and shall be received by any collector of taxes in payment of taxes against which they are issued. The warrants shall be signed by the chairman and secretary of the board. The taxes against which the warrants are drawn shall be set apart and held for their payment, as herein provided. The warrants shall bear interest, payable out of the taxes against which they are drawn, at the rate of not to exceed 6% per annum, from the date of their issuance until paid, or until notice is given by publication in a newspaper or otherwise that the money for their payment is available and that they will be paid on presentation.