Washington Revised Code Title 24. Corporations and Associations (Nonprofit) § 24.06.225. Articles of merger or consolidation

(a) The plan of merger or the plan of consolidation;

(b) A statement setting forth the date of the meeting of members or shareholders at which the plan was adopted, that a quorum was present at such meeting, and that such plan received at least two-thirds of the votes which members and shareholders of the corporation and of each class entitled to vote thereon as a class, present at such meeting in person or by mail or by electronic transmission or represented by proxy were entitled to cast, or a statement that such amendment was adopted by a consent in writing signed by all members.