S.C. Code Ann. § 38-73-30: Insurance subject to dual regulation.

If any kind of insurance, subdivision, or combination thereof or type of coverage subject to this chapter is also subject to regulation by another rate regulatory act of this State or other law of this State, an insurer to which the other act or law and this chapter are otherwise applicable shall file with the department a designation as to which rate regulatory chapter or act or law is applicable to it with respect to that kind of insurance, subdivision, or combination thereof or type of coverage.