S.C. Code Ann. § 58-17-2820
It shall be unlawful for any railroad chartered or operated in this State to refuse to pay any carrier on traffic delivered at any of its terminal or junction points such freight charges as may have accrued from the original point of shipment to the terminal or junction points, wherever delivery may be made, and to which at current rates the carrier making such delivery and previous carriers interested may be justly entitled to whenever such freight may be collected by the road making the delivery to consignee; provided, that: