(a) The board shall file with the commissioner a proposed budget and may expend funds only after the commissioner has approved the budget. If after thorough review the commissioner disapproves the proposed budget, the commissioner shall return the proposed budget to the submitting board not later than the 45th day after the date on which the proposed budget is submitted with a statement of reasons for disapproval.
(b) Accounts of the board are subject to audit by the state auditor.
(c) Within 30 days following the end of each fiscal year of the board, the board shall submit to the commissioner a report itemizing all income and expenditures and describing all activities of the board during the previous fiscal year.