Any corporation or association organized under previously existing statutes may by a 2/3 vote of the corporation’s or association’s voting stockholders or members voting at an annual meeting of the corporation or association or a special meeting called for such purposes upon written notice sent by first-class mail to every stockholder at such stockholder’s last known post-office address at least 10 days prior to such meeting be brought under the provisions of this act by limiting the association’s membership and adopting the other restrictions as provided herein. The association or corporation shall make out in duplicate a statement signed and sworn to by the directors, upon forms supplied by the secretary of state, to the effect that the corporation or association has by a 2/3 vote of the corporation’s or association’s stockholders or members voting at an annual meeting of the corporation or association or a special meeting called for such purpose, decided to accept the benefits and be bound by the provisions of this act, or acts amendatory thereto. Articles of incorporation shall be filed as required by Kan. Stat. Ann. § 17-1607, and amendments thereto, except that they shall be signed by the members of the board of directors. The filing fee shall be the same as for filing an amendment to the articles of incorporation.