A cooperative may amend its articles of incorporation in any manner not inconsistent with the renewable energy electric generation cooperative act by complying with the following requirements: The proposed amendment shall be presented to a meeting of the members, the notice of which shall set forth or have attached the proposed amendment. If the proposed amendment, with any changes, is approved by the affirmative vote of not less than 2/3 of those members voting at such meeting, articles of amendment shall be executed on behalf of the cooperative by its president or vice-president and attested by its secretary. The articles of amendment shall recite that they are executed pursuant to the renewable energy electric generation cooperative act and shall state: (a) The name of the cooperative; (b) the address of its principal office; and (c) the amendment to its articles of incorporation. The president or vice-president executing such articles of amendment shall make and annex thereto an affidavit stating that the amendment was submitted and adopted in compliance with the provisions of this section.