Section 2NNN. There shall be established and set up on the books of the commonwealth a separate fund to be known as the Roche Community Rink Fund. There shall be credited to such fund revenues generated from fees, fines, leases, gifts, grants, interest earned on any monies within this fund or any other revenue sources at the Roche Community Rink, formerly the Bryant Rink, in the West Roxbury section of the city of Boston. Revenues credited to the fund shall be used, not subject to appropriation, for operational costs, capital improvements, equipment and maintenance of said rink, including the costs of personnel, but no expenditure shall be made from the fund that shall cause the fund to be in deficit at the close of a fiscal year.