(a) The commission shall keep accurate accounts of all receipts and disbursements, which shall be subject to the audit and accounting procedures established under its rules. In addition, all receipts and disbursements of funds handled by the commission shall be audited yearly by a qualified public accountant and the report of the audit shall be included in and become part of the annual report of the commission.

(b) The accounts of the commission shall be open at any reasonable time for inspection by duly constituted officers of the participating states and by any persons authorized by the commission.

(c) Nothing contained in this article shall be construed to prevent commission compliance with laws relating to audit or inspection of accounts by or on behalf of any participating state or of the United States.