110 ILCS 805/3-22.1
To cause an audit to be made as of the end of each fiscal year by an accountant licensed to practice public accounting in Illinois and appointed by the board. The auditor shall perform his or her examination in accordance with generally accepted auditing standards and regulations prescribed by the State Board, and submit his or her report thereon in accordance with generally accepted accounting principles. The examination and report shall include a verification of student enrollments and any other bases upon which claims are filed with the State Board. The audit report shall include a statement of the scope and findings of the audit and a professional opinion signed by the auditor. If a professional opinion is denied by the auditor he or she shall set forth the reasons for that denial. The board shall not limit the scope of the examination to the extent that the effect of such limitation will result in the qualification of the auditor's professional opinion. The procedures for payment for the expenses of the audit shall be in accordance with Section 9 of the Governmental Account Audit Act. Copies of the audit report shall be filed with the State Board in accordance with regulations prescribed by the State Board.
110 ILCS 805/3-22.1