When any reserve or substitute vehicle maintained by a motor carrier holding a certificate D, or a certificate A or a certificate B for passenger vehicles, to be used only in emergencies, is in use it may be designated by a special marker to be furnished by the Office of Regulatory Staff.
S.C. Code Ann. § 58-23-1090
Special markers for reserve or substitute passenger vehicles
1962 Code SECTION 58-1469; 1952 Code SECTION 58-1469; 1942 Code SECTION 8512; 1932 Code SECTION 8512; 1925 (34) 252; 1930 (36) 1068; 1938 (40) 1915; 2006 Act No. 318, SECTION 15…
Official source: South Carolina Legislature. Reproduced from public-domain South Carolina statutes; confirm against the official source for the current text. Not legal advice.