70 ILCS 1005/9.1
Any mosquito abatement district organized under the provisions of this Act in the preparation of its annual budget and appropriation ordinance may provide that an amount equal to not more than one-half of one percent of the total equalized assessed value of real property situated in the district shall be allocated to and accumulated in a Capital Improvement, Repair or Replacement Fund for the purposes of specific capital improvements, repairs or replacements of specific types of district equipment or other real or personal property. Expenditures from the Capital Improvement, Repair or Replacement Fund shall be budgeted and appropriated for the fiscal year in which the capital improvement, repair or replacement will occur. Upon completion or abandonment of any object or purpose for which a Capital Improvement, Repair or Replacement Fund has been initiated, monies remaining in such fund shall be transferred into the general corporate fund of the district on the first day of the fiscal year following such abandonment or completion resulting in such surplus monies in such fund.
70 ILCS 1005/9.1