Nothing contained in SECTION 15-9-280, SECTION 15-9-285, or SECTION 15-9-290 limits or abridges the right to serve any process, notice, or demand upon any insurer in any other manner permitted by law.
Service on unauthorized insurer; other methods of service unaffected by foregoing provisions
S.C. Code Ann. § 15-9-300, under Title 15, Chapter 9.
S.C. Code Ann. § 15-9-300