1. The articles of incorporation may be amended by a majority vote of the stockholders at any regular meeting or at a special meeting called for that purpose.

2. Articles of amendment signed by the president or vice president and attested by the secretary certifying to the amendment and its lawful adoption shall be executed, acknowledged and filed with the director of finance and, when approved by the state banking and savings and loan board, recorded with a certificate of the director of finance approving the articles of amendment, in the same manner as the original articles of incorporation. As soon as the director of finance issues his certificate of amendment the amendment is in effect.