S.C. Code Ann. § 36-11-104

A security interest for the perfection of which filing or the taking of possession was required under the 1966 UCC and which attached prior to the effective date of the 1988 UCC Amendments but was not perfected is considered perfected on the effective date set forth in Section 36-11-101 of the 1988 UCC Amendments if the 1988 UCC Amendments permit perfection without filing or authorize filing in the office or offices where a prior ineffective filing was made.