A bank amending its articles of incorporation shall deliver articles of amendment to the director for filing as required for articles of incorporation. The articles of amendment shall set forth:
(1) The name of the bank;
(2) The text of each amendment adopted;
(3) The date of each amendment's adoption;
(4) If the amendment was adopted by the incorporators or board of directors without shareholder action, a statement to that effect and that shareholder action was not required; and
(5) If shareholder action was required, a statement that the amendment was duly approved by the shareholders in accordance with the provisions of RCW 30A.08.090.