15 ILCS 405/3
Before entering upon the duties of his or her office, the Comptroller shall take and subscribe to the oath or affirmation prescribed by Article XIII, Section 3 of the constitution and shall give bond payable to the People of the State of Illinois in the sum of $1,000,000 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) on the faithful discharge of the Comptroller's duties, (ii) on the delivery of all papers, books, records, and other property appertaining to his or her office, whole, safe, and undefaced, to the successor in office, and (iii) on the Comptroller giving such additional bonds as may be legally required.
The oath or affirmation required by this Section shall be filed in the office of the Secretary of State.
15 ILCS 405/3