S.C. Code Ann. § 58-13-450

All common carriers doing business in this State and making collections on C. O. D. shipments for shippers or other persons designated by the shipper shall pay over to such shipper or person designated by such shipper the returns or moneys collected on C. O. D. shipments within fifteen days after the date of such collection from the consignee. Every carrier failing or refusing to make payment or remittance within the time stipulated above shall be liable for the full amount of the C. O. D. collection and in addition thereto a penalty of twenty-five dollars, to be recovered in any court of competent jurisdiction, either in the same suit on the claim or in a separate action.