S.C. Code Ann. § 33-31-207
(a) Unless the articles provide otherwise, the directors of a corporation may adopt, amend, or repeal bylaws to be effective only in an emergency defined in subsection (d). The emergency bylaws, which are subject to amendment or repeal by the members, may provide special procedures necessary for managing the corporation during the emergency, including:
(c) Corporate action taken in good faith in accordance with the emergency bylaws: