40 ILCS 5/12-167: To keep records, books and prepare reports.

To keep a record of all its proceedings which shall be open to inspection by the public; to keep such books and records as are necessary for the transaction of its business; and to prepare a report, as of the last day of each fiscal year, setting forth the income and disbursements of the fund for the year, and the amount of its assets and liabilities at the close of the year. Such statement shall include, among other things, the following information:

(a) the total of the reserves on all annuities being paid and to be paid from the fund to employees and widows whose annuities are determined but not entered upon, calculating such reserves as if the annuities were actually entered upon;

(b) the total of the liabilities of the employer for prior service annuities and widow's prior service annuities, including the present values of such annuities that are entered upon.