S.C. Code § 38-77-140
2013 Act No. 47, Section 5, provides as follows:
"SECTION 5. An automobile liability insurer is not required to make a new offer of coverage or obtain a new prescribed form on any automobile insurance policy, within the contemplation of Section 38-77-350, to comply with statutory changes to the minimum required limits set forth in Section 38-77-140 and Section 38-77-150."