(1) The board of county commissioners shall adopt a schedule of fees to be charged for the use of ambulance service provided under the authority of section 31-3901, Idaho Code. All such fees shall be collected, accounted for and paid to the county treasurer for deposit in the ambulance service fund and shall be used to pay expenses as incurred in the maintenance and operation of said ambulance service.
(2) A county that provides ambulance service pursuant to section 31-3901, Idaho Code, prior to July 1, 2020, may continue to operate under the authority of this section. However, no board of county commissioners may exercise the powers granted under this section for the first time on and after July 1, 2020.