To submit a report in July of each year to the county board of the county as of the close of business on December 31st of the preceding year. The report shall contain a detailed statement of the affairs of the fund, its income and expenditures, and assets and liabilities, and it shall include the annual actuarial report required under Section 9-169.1. The county board shall have power to require and compel the retirement board to prepare and submit such reports.
40 ILCS 5/9-199