Arkansas Code Title 4. Business and Commercial Law § 4-26-809. Bylaws

(b) The adoption, amendment, or repeal of a bylaw by the board of directors shall require the affirmative vote of a majority of the authorized membership of the board; and any such action taken by the shareholders under authority reserved in the articles shall require the affirmative vote of the holders of a majority of the shares having voting rights as defined in § 4-26-711(b) and also the affirmative vote of the holders of a majority of the shares of any other class which may be substantially adversely affected by such action.