Idaho Code § 31-3921
Ambulance service districts shall have all of the powers given to political subdivisions of the state of Idaho as set forth in section 67-2339, Idaho Code, and sections 67-2326 through 67-2333, Idaho Code, inclusive, to enter into intra-agency and mutual aid agreements with other political subdivisions and municipalities in Idaho, and in other states, for the purposes of protecting life and for all other purposes of this chapter. Any ambulance service district or county ambulance service responding to a call for emergency assistance to persons or property not situated within the taxing authority of the ambulance service district or county is authorized to charge a reasonable fee for services provided to residents located within the ambulance service district or county in accordance with the requirements and procedures contained in sections 63-1311 and 63-1311A, Idaho Code.
Idaho Code § 31-3921