S.C. Code § 15-38-15
2005 Act No. 27, Section 11, provides as follows:
"If any provision of Section 6 [adding this section] or its application to any person is held invalid, unenforceable, or unconstitutional, this validity, unenforceability, or unconstitutionality shall negate the other provisions or applications of Section 6, and to this end, the provisions of Section 6 are not severable."
2005 Act No. 27, Section 16(4), provides as follows:
"Section 6 [adding this section] takes effect July 1, 2005, and shall only apply to causes of action arising on or after that date except for causes of actions relating to construction torts which would take effect on July 1, 2005, and apply to improvements to real property that first obtain substantial completion on or after July 1, 2005. For purposes of this section, an improvement to real property obtains substantial completion when a municipality or county issues a certificate of occupancy in the case of new construction, or completes a final inspection in the case of improvements to existing improvements;[.]"
2005 Act No. 32, Section 17, provides as follows:
"If any provision of Section 16 [amending this section] or its application to any person is held invalid, unenforceable, or unconstitutional, this validity, unenforceability, or unconstitutionality shall negate the other provisions or applications of Section 16, and to this end, the provisions of Section 16 are not severable."
2005 Act No. 32, Section 21(A), provides as follows:
"Section 16 [amending this section] takes effect July 1, 2005, and shall only apply to causes of action arising on or after that date except for causes of actions relating to construction torts which would take effect on July 1, 2005, and apply to improvements to real property that first obtain substantial completion on or after July 1, 2005. For purposes of this section, an improvement to real property obtains substantial completion when a municipality or county issues a certificate of occupancy in the case of new construction, or completes a final inspection in the case of improvements to existing improvements."