Financial report – Presentation of books and vouchers for inspection. The regional superintendent shall report, in writing, to the county board, on or before January 1 of each year, stating, (1) the balance on hand at the time of the last report, and all receipts since that date, with the sources from which they were derived; (2) the amount distributed to each of the school treasurers in his county; (3) any balance on hand. At the same time he shall present for inspection his books and vouchers for all expenditures, and submit in writing a statement of the condition of the institute fund and of any other funds in his care, custody or control.