S.C. Code Ann. § 40-47-30
(A) A person may not practice medicine in this State unless the person is twenty-one years of age and has been authorized to do so pursuant to the provisions of this article. Nothing in this article may be construed to:
(5) prohibit a licensed physician from delegating tasks to unlicensed personnel in the physician's employ and on the premises if:
(B)
(1) A physician licensed in another state, territory, or other jurisdiction of the United States or of any other nation or foreign jurisdiction is exempt from the requirements of licensure in this State, if the physician: