Oregon Revised Statutes Occupations and Professions § 682.031

(1) As used in this section, “political subdivision” includes counties, cities, districts, authorities and other public corporations and entities organized and existing under statute or charter.

(2) An ordinance of any political subdivision regulating ambulance services or emergency medical services providers may not require less than is required under ORS 820.300 to 820.380, or this chapter or the rules adopted by the Oregon Health Authority under this chapter.

(3) When a political subdivision enacts an ordinance regulating ambulance services or emergency medical services providers, the ordinance must comply with the county plan for ambulance services and ambulance service areas adopted under ORS 682.062 by the county in which the political subdivision is situated and with the rules of the Oregon Health Authority relating to such services and service areas. The county governing body shall make the determination of whether the ordinance is in compliance with the county plan.