S.C. Code Regs. § § 103-110
A Class A motor carrier is a common carrier by motor vehicle of passengers, operating over regular routes and upon regular schedules as filed with and approved by the commission. Class A Certificates of Public Convenience and Necessity for the transportation of passengers shall include the authority to transport in the same vehicle with the passengers, baggage, express, mail and newspapers, and to transport baggage of passengers in separate motor vehicles when necessary, provided, however, that such articles for shipment shall be originated and terminated at a terminal of the transporting Class A Certificate holder or of some other Class A carrier, and holders of Class A Certificates of Public Convenience and Necessity approved by the commission and issued by the ORS may transport special or chartered parties originating along their authorized routes to any point intrastate and return, subject to the Rules and Regulations of the commission pertaining thereto, provided further, however, that this provision shall not be applicable to Class A Certificates which are restricted. A Class A motor carrier must obtain a Certificate of PC&N from the ORS after approval by the commission.
S.C. Code Regs. § 103-110