Mo. Rev. Stat. ยง 321.226
Emergency ambulance service outside district โ fee for services for all ...
321.226. Emergency ambulance service outside district โ fee for services for all districts โ emergency defined. โ 1. Any fire protection district which is authorized to provide emergency ambulance service within its district may provide such emergency ambulance service outside its district. When providing emergency ambulance service for a person who does or does not reside within the district, a fire protection district may assess and collect from such person a usual and customary fee for such service.
2. As used in this section "emergency" means a situation resulting from a sudden or unforeseen situation or occurrence that requires immediate action to save life or prevent suffering or disability.
(L. 1979 S.B. 237 ยง 1, A.L. 1985 H.B. 167, et al.)