S.C. Code Ann. § 56-5-6530: Exceptions.

The provisions of this article do not apply to:

(1) a driver or occupant who possesses a written verification from a physician that he is unable to wear a safety belt for physical or medical reasons;

(2) medical or rescue personnel attending to injured or sick individuals in an emergency vehicle when operating in an emergency situation as well as the injured or sick individuals;

(3) school, church, or day care buses;

(4) public transportation vehicles except taxis;

(5) occupants of vehicles in parades;

(6) United States mail carriers;

(7) an occupant for which no safety belt is available because all belts are being used by other occupants;

(8) a driver or occupants in a vehicle not originally equipped with safety belts.