S.C. Code § 58-17-2340
Every common carrier doing business in this State shall, upon demand of any person having a sidetrack adjacent to and used in connection with the business of such person, erect and maintain on such sidetrack suitable scales for reweighing such coal or other articles in carload lots. But such person shall agree and become liable to such common carrier to pay the amount incurred by such common carrier in the erection and maintenance of such scales. In such event, the common carrier shall reweigh such coal or other articles delivered in carload lots to such person upon such sidetrack, as provided for in Section 58-17-2310. Upon refusal so to weigh, such common carrier shall be liable for the same penalties provided in Sections 58-17-2320 and 58-17-2330.
S.C. Code § 58-17-2340