The fiscal year of each forest preserve district subject to this Act shall extend from January 1, until December 31. The forest preserve district shall, before the commencement or within 60 days after the commencement of each fiscal year, adopt an annual appropriation ordinance, which shall appropriate sums of money required to defray all necessary expenses and liabilities of the district to be paid or incurred during that fiscal year. Transfers from one appropriation of any one fund to another of the same fund, not affecting the total amount appropriated, may be made at any meeting of the Board.
70 ILCS 810/24