70 ILCS 1710/13
Before entering upon the duties of his office, the treasurer shall execute a bond with corporate sureties to be approved by the Commission. The bond shall be payable to the Commission in whatever penal sum may be directed, conditioned upon the faithful performance of the duties of the office and the payment of all money received by him according to law and the orders of the Commission. The Commission may, at any time, require a new bond from the treasurer in such penal sum as may then be determined by the Commission. The obligation of the sureties shall not extend to any loss sustained by the insolvency, failure or closing of any savings and loan association or national or State bank wherein the treasurer has deposited funds if the bank or savings and loan association has been approved by the Commission as a depository for these funds. The treasurer's bond shall be filed in the principal office of the Commission.
No bank or savings and loan association shall receive public funds as permitted by this Section, unless it has complied with the requirements established pursuant to Section 6 of "An Act relating to certain investments of public funds by public agencies", approved July 23, 1943, as now or hereafter amended.
70 ILCS 1710/13