No person who drives a commercial motor vehicle may have more than one driver's license except during the ten-day period beginning on the date the person is issued a driver's license.
S.C. Code Ann. § 56-1-2040
Commercial drivers to have one driver's license only; exception
Known as the South Carolina Commercial Driver License Act
The act spans §§ 56-1-2005 to 56-1-2160 (24 sections).
1989 Act No. 151, SECTION 2.
Official source: South Carolina Legislature. Reproduced from public-domain South Carolina statutes; confirm against the official source for the current text. Not legal advice.