S.C. Code § 12-45-140
When the title or an interest in real or personal property, or any part thereof, shall have become transferred to or vested in any person not the owner at the time such property was assessed for taxation, the county auditor, upon the application at any time prior to sale under tax execution of the person acquiring such title or interest subsequent to assessment, shall apportion the share of taxes and costs due by the original owner upon that portion of or interest in the property acquired subsequent to assessment by the person so applying, and thereupon the county treasurer, county sheriff, county tax collector, town or city tax collector or any officer charged with the collection of taxes shall accept from the person so applying the proportionate share of taxes and costs upon such part of or interest so acquired since assessment as estimated by the auditor and give receipt therefor, which shall discharge such portion or interest from the taxes and costs so assessed.
S.C. Code § 12-45-140