70 ILCS 2005/11.3

(a) The board of trustees may provide ambulance service to or from points within or without the district, contract with providers of ambulance service, combine with other units of local government for the purpose of providing ambulance service, and adopt rules and regulations relating to ambulance service within the board's jurisdiction. (b) The board of trustees may: (1) contract with a private person, hospital, corporation, or another governmental unit for the provision and operation of ambulance service or subsidize the ambulance service; (2) limit the number of ambulance services by referendum; (3) within its jurisdiction, fix, charge, and collect fees for ambulance service within or outside of the district not exceeding the reasonable cost of the service; and (4) establish necessary regulations not inconsistent with the statutes or regulations of the Department of Public Health relating to ambulance service. The board of trustees may limit the number of ambulances under paragraph (2) or establish regulations under paragraph (4) if a referendum under Section 11.5 has been approved.