S.C. Code Regs. 38-390.21. Marking of commercial motor vehicles

(a) General. Every self propelled commercial motor vehicle operated in interstate or intrastate commerce and subject to the rules of regulation B of this chapter must be marked as specified in paragraphs (b), (c) and (d). (b) Nature of marking. The marking must display the following information: (1) The legal name or a single trade name of the motor carrier operating the self-propelled CMV. (2) [Reserved] (3) If the name of any person other than the operating carrier appears on the commercial motor vehicle operated under its own power, either alone or in combination, the name of the operating carrier shall be followed by the information required by paragraphs (b)(1), (2), and (3), and be preceded by the words "operated by." (4) Other identifying information may be displayed on the commercial motor vehicle if it is not inconsistent with the information required by this paragraph. (c) Size, shape, location, and color of marking. The marking must (1) Appear on both sides of the self propelled commercial motor vehicle; (2) Be in letters that contrast sharply in color with the background on which the letters are placed; (3) Be readily legible, during daylight hours, from a distance of 50 feet while the commercial motor vehicle is stationary; and (4) Be kept and maintained in a manner that retains the legibility required by paragraph (c)(3). (d) Construction and durability. The marking may be painted on the commercial motor vehicle or may consist of a removable device, if that device meets the identification and legibility requirements of 38-390, and such marking shall be maintained in such a manner as to remain legible as required. South Carolina Code of Laws Section 56-5-4150.