S.C. Code Ann. § 20-7-2030
Any requirements for visitation, inspection or supervision of children, homes, institutions or other agencies in another party state which may apply under Section 20-7-1880 shall be deemed to be met if performed pursuant to an agreement entered into by appropriate officers or agencies of this State or a subdivision thereof as contemplated by item (b) of subsection 5 of the Interstate Compact on the Placement of Children.