(a) Except as provided by Kan. Stat. Ann. §§ 12-344 and 12-345, and amendments thereto, and Kan. Stat. Ann. §§ 12-363 and 12-365, and amendments thereto, no person holding any state, county, township or city office shall be eligible to the office of county commissioner in any county in this state.

(b) Nothing in this section shall prohibit the appointment of any county commissioner to any state board, committee, council, commission or similar body which is established pursuant to statutory authority, so long as any county commissioner so appointed is not entitled to receive any pay, compensation, subsistence, mileage or expenses for serving on such body other than that which is provided by law to be paid in accordance with the provisions of Kan. Stat. Ann. § 75-3223, and amendments thereto.

(c) Any county commissioner may serve as a volunteer in any capacity for an emergency medical service or ambulance service or as a volunteer fire fighter and may receive the usual compensation or other remuneration for such volunteer services.