In case of such conversion, the articles of incorporation and organization certificates may be executed by a majority of the directors of the bank and the certificate shall declare that the owners of a majority of the capital stock have authorized the directors to make such certificate and to exchange or convert the national bank into a state bank. A majority of the directors, after executing the articles of incorporation and the organization certificate, shall have power to execute all other papers and to do whatever may be required to make its organization perfect and complete as a state bank. The shares of any such bank may continue to be for the same amount each as they were before they were converted, and the directors may continue to be directors of the state bank until others are elected or appointed in accordance with the statutes of Alabama.