(1) When a passenger motor vehicle is operated in forward motion on a public road, street or highway within this state, every operator and every passenger shall wear a properly fastened safety seat belt system, required to be installed in the vehicle when manufactured pursuant to Federal Motor Vehicle Safety Standard 208.
(2) “Passenger motor vehicle” for purposes of this chapter means a motor vehicle designed to carry fifteen (15) or fewer passengers, including the driver, but does not include motorcycles that are not autocycles as defined in Section 63-3-103, mopeds, all-terrain vehicles or trailers.
(3) This section shall not apply to: Vehicles which may be registered for “farm” use, including “implements of husbandry” as defined in Section 63-21-5(d), and “farm tractors” as defined in Section 63-3-105(a);
(4) An operator or passenger possessing a written verification from a licensed physician that he is unable to wear a safety belt system for medical reasons;
(5) A passenger car operated by a rural letter carrier of the United States Postal Service or by a utility meter reader while on duty;
(6) Buses; or
(7) A child who is required to be protected by the use of a child passenger restraint device or system or a belt-positioning booster seat system under the provisions of Sections 63-7-301 through 63-7-311.