110 ILCS 805/3A-4

All moneys borrowed under the authority of this Act, shall be paid to the treasurer of the district. Upon receiving such moneys the treasurer shall deliver the bonds issued therefor to the persons entitled to receive them, and shall credit the funds received to the district issuing the bonds. The treasurer shall record the amount received for each bond issued. When any bonds are paid the treasurer shall cancel them and shall enter, against the record of the bonds, the words, "paid and cancelled the .... day of ....," filling the blanks with the day, month, and year corresponding to the date of payment.