15 ILCS 505/1

That the Treasurer of this State shall give bond, before entering upon the duties of his or her office, in the penal sum of $500,000 by inclusion in the blanket bond or bonds or self-insurance program provided for in Sections 14.1 and 14.2 of the Official Bond Act. The bond shall be conditioned (i) for the faithful discharge of the Treasurer's duties, (ii) to deliver up all moneys, papers, books, records, and other property appertaining to his or her office, whole, safe, and undefaced, to the successor in office, and (iii) that the Treasurer will give additional bonds when legally required.