S.C. Code § 63-9-820
2009 Act No. 41 Section 6 provides as follows:
"This act takes effect July 1, 2009, except that those provisions of Section 1 of this act pertaining to the establishment of the Responsible Father Registry and the receipt of claims of paternity by the registry take effect January 1, 2010, and those provisions of Section 1 of this act and Section 63-9-730 of the 1976 Code, as amended by Section 2 of this act, affecting an unmarried biological father's right to receive notice in a termination of parental rights or an adoption action by filing a claim of paternity and Section 63-7-2550(B) of the 1976 Code, as added by Section 4 of this act, apply to termination of parental rights actions and adoption actions filed on or after July 1, 2010."