S.C. Code Regs. 103-153
S.C. Code Regs. 103-153. Marking or Identification of Vehicles
1. Marking of Vehicles Required. No carrier regulated by the Public Service Commission shall operate any motor vehicle upon the highways in the transportation of property or passengers for compensation unless the name, or trade name, and PSC I.D. number appear on both sides of such vehicle in letters and figures not less than three (3) inches high.
SAMPLE: Stacey Doe DBA Doe’s Transportation
SCPSC #1234.
2. Legible Placards or Printing May Be Used. The marking required may be printed on the vehicle or on legible placards securely fastened on both sides of the vehicle. In case of tractor-trailer units, the markings must appear on the tractor. Every vehicle used by a carrier in operation whether owned, rented, leased, or otherwise obtained must be marked or identified as provided herein.
3. Marked as Required by the STB. If the carrier is engaged in both interstate and intrastate commerce and is marked as required by the STB, then the carrier will be deemed to be in full compliance with this commission’s requirements.