S.C. Code Ann. § 50-23-260

The department shall annually, between January first and January thirty-first, furnish to each county auditor a list of motors and watercraft registered and titled pursuant to this chapter in the previous year to residents of such auditor's county, which list shall include the names and addresses of the owners of such watercraft and motors and sufficient additional information as will permit the auditors to identify the chattels titled for tax purposes.