A subpoena issued by a clerk of court under Section 15-47-120 must be served in compliance with the applicable rules of court or statutes relating to the service of a subpoena in this State.
S.C. Code § 15-47-130
2010 Act No. 132, Section 2, provides:
"This act takes effect upon approval by the Governor and applies to requests for discovery in cases pending on that date."