40 ILCS 5/17-108

"Fiscal year" and "school year": Beginning July 1, 1999, the period beginning on the 1st day of July of one calendar year and ending on the 30th day of June of the next calendar year. Each fiscal year and each school year shall be designated for convenience with the same number as the calendar year in which that fiscal year or school year ends. The fiscal year which begins September 1, 1998 shall end June 30, 1999.