A Class C motor carrier is a common carrier by motor vehicle of passengers, generally known as "taxi cabs," "charter buses," "charter limousine," and "non-emergency vehicles, " which does not operate over regular routes or upon regular schedules, and which does not, in any way, solicit or receive patronage outside of the radius of two miles of the corporate limits of the city in which it is licensed to do business, except upon such highways as are not served by a Class A or B motor carrier. A Class C motor carrier must obtain a Certificate of PC&N from the ORS after approval by the commission, except "charter buses," which must obtain a Charter Bus Certificate.
S.C. Code Regs. § 103-112