S.C. Code § 58-9-297
2005 Act No. 134, Section 4, provides as follows:
"If, as result of federal law, a finding of a federal administrative agency or a decision of a federal or state court of competent jurisdiction, this act is deemed to be inapplicable to any person, entity, or class of provider that otherwise meets the definition of a communications service provider in Section 58-9-200, this act shall become void and unenforceable as to all communications service providers."