It is permissible but not required that any commercial vehicle be equipped with a theft alarm signal device which is so arranged that it cannot be used by the driver as an ordinary warning signal.
S.C. Code Ann. § 56-5-4980
Theft alarm signal
Known as the Uniform Act
The act spans §§ 56–56 (418 sections).
1962 Code SECTION 46-584; 1952 Code SECTION 46-584; 1949 (46) 466.
Official source: South Carolina Legislature. Reproduced from public-domain South Carolina statutes; confirm against the official source for the current text. Not legal advice.