The Department may establish a consolidated publications account. Excess revenues remaining at the end of the fiscal year, derived from publications of the Department or any agency in the Department, may be placed in this account. Expenditures from the account are restricted to cost of producing, distributing, and promoting publications of the Department and agencies within the Department, including the cost of free publications. Unexpended moneys in the account at the end of fiscal 1975 and any subsequent fiscal year shall not revert, but shall be maintained as a special fund, up to a maximum of $40,000. Any excess over $40,000 shall revert to the general funds of the State.