S.C. Code Ann. § 33-31-1003 – Amendment of articles by directors and members

(a) If the corporation has members entitled to vote on the amendment, unless this chapter, the articles, or bylaws require a greater vote or voting by class, an amendment to a corporation's articles to be adopted must be approved:
1. (1) by the board if the corporation is a public benefit or religious corporation and the amendment does not relate to the number of directors, the composition of the board, the term of office of directors, or the method or way in which directors are elected or selected;
2. (2) except as provided in Section 33-31-1002(a), by the members by two-thirds of the votes cast or a majority of the voting power, whichever is less; and
3. (3) in writing by any person or persons whose approval is required by a provision of the articles authorized by Section 33-31-1030.
(b) If the board or the members seek to have the amendment approved by the members at a membership meeting, the corporation shall give notice to its members of the proposed membership meeting in writing in accordance with Section 33-31-205. The notice must state that the purpose, or one of the purposes, of the meeting is to consider the proposed amendment and contain or be accompanied by a copy or summary of the amendment.
(c) If the board or the members seek to have the amendment approved by the members by written consent or written ballot, the material soliciting the approval shall contain or be accompanied by a copy or summary of the amendment.