S.C. Code Ann. § 33-31-831
(b) A transaction in which a director of a public benefit or religious corporation has a conflict of interest may be:
(1) authorized, approved, or ratified by the vote of the board of directors or a committee of the board if:
(2) approved before or after it is consummated by obtaining approval of the:
(c) A transaction in which a director of a mutual benefit corporation has a conflict of interest may be approved if:
(d) For purposes of this section, a director of the corporation has an indirect interest in a transaction if: