S.C. Code Ann. § 23-47-70
(C) Notwithstanding any other provision of law, in no event shall any CMRS service supplier or its officers, employees, assigns, or agents be liable for civil damages or criminal liability in connection with the development, design, installation, operation, maintenance, performance, or provision of 911 service unless such event was the result of reckless, wilful, or wanton conduct of the CMRS service supplier or its officers, employees, assigns, or agents.
No CMRS service supplier or its officers, employees, assigns, or agents shall be liable for civil damages or criminal liability in connection with the release of subscriber information to any governmental entity as required under the provisions of this chapter.