70 ILCS 3705/14
Current through Public Act 103-1052
It shall be the duty of the board of trustees to install and maintain a proper system of accounts showing receipts from operation and the application of the same, and the board shall at least once a year cause such accounts to be properly audited by a licensed Certified Public Accountant permitted to perform audits under the Illinois Public Accounting Act .
70 ILCS 3705/14