Upon approval by the board of each corporation of a plan of merger, consolidation, or exchange, each board shall, by resolution, direct that the plan be submitted for approval, at either an annual or special meeting, by the outstanding shares of each corporation. Written notice shall be given to each shareholder of record, whether or not the share or shares of the shareholder have voting rights under the articles of the corporation, not less than 20 days before the meeting, in the manner provided in this chapter for the giving of notice of meetings of shareholders. Whether the meeting is an annual or special meeting, the notice shall state that the purpose or one of the purposes of the meeting is to consider the proposed plan of merger, consolidation, or exchange. A copy or summary of the plan of merger, consolidation, or exchange, as well as a copy of AS 10.06.574 and 10.06.576, concerning the rights of a dissenting shareholder, shall be included with the notice.