S.C. Code Ann. § 50-13-1710
Operators of restaurants, cafes or other eating establishments and retail markets shall be responsible to the department for any violation of the provisions of Sections 50-13-1680 to 50-13-1730 on their premises. All such establishments shall be subject to inspection by agents of the department at any time and any trout not individually marked according to the provisions of Section 50-13-1690 and for which an invoice is not available shall be confiscated and the operator prosecuted.