Mont. Code Ann. § 32-1-364

32-1-364 . Increase or reduction of capital stock. The directors of such new corporation may reduce the capital stock of the bank to its par value by dividing the surplus among its stockholders or may retain such portion of such surplus as they may deem necessary. In case of an increase of the capital stock under the provisions of the acts of congress, the directors may charge the shares of such increased capital stock with a like amount to place the whole of such capital stock on an equality and may award such new stock, or such proportion or fractional parts thereof, to such persons as they shall determine are entitled thereto and as are provided in their articles of association and the acts of congress. New directors may be chosen at such time and in the manner provided in the articles of association and the acts of congress.