Amendments to the articles of incorporation shall be made in the following manner:
(1) Where there are members having voting rights, with regard to the question, the board of directors shall adopt a resolution setting forth the proposed amendment and directing that it be submitted to a vote at a meeting of members having voting rights, which may be either an annual or a special meeting. Notice in the form of a record setting forth the proposed amendment or a summary of the changes to be effected thereby shall be given to each member entitled to vote at such meeting within the time and in the manner provided in this chapter for the giving of notice of meetings of members. The proposed amendment shall be adopted upon receiving at least two-thirds of the votes which members present at such meeting or represented by proxy are entitled to cast.
(2) Where there are no members, or no members having voting rights, with regard to the question, an amendment shall be adopted at a meeting of the board of directors upon receiving the vote of a majority of the directors in office.
Any number of amendments may be submitted and voted upon at any one meeting.