40 ILCS 5/22-227
The treasurer of the Board of Trustees shall keep books and accounts concerning the fund in the manner prescribed by the Board of Trustees. The books and accounts shall always be subject to the inspection of the Board of Trustees or any member thereof.
The treasurer and assistant treasurer, if one be elected, shall each, within 10 days after his election or appointment, execute a bond to the Board of Underwriters, with good and sufficient security, in such penal sum as the Board of Trustees shall direct, to be approved by the Board of Trustees, conditioned for the faithful performance of the duties of his office and that he will safely keep, hold and truly account for all moneys and property which may come into his hands as such treasurer or assistant treasurer, and that upon the expiration of his term he will surrender and turn over to his successor all unexpended moneys and all property which may have come into his hands as treasurer or assistant treasurer of such funds. Such bonds shall be filed in the office of the Board of Underwriters. In case of a breach of the same or of the conditions thereof suit may be brought on the same in the name of such Board of Underwriters for the use of such Board or of any person or persons injured by such breach.
40 ILCS 5/22-227