(a) A corporation's shareholders may amend or repeal the corporation's bylaws.
(b) A corporation's board of directors may amend or repeal the corporation's bylaws, unless:
(1) The articles of incorporation or section one thousand twenty-one of this article reserve that power exclusively to the shareholders, in whole or in part; or
(2) The shareholders in amending, repealing or adopting a bylaw expressly provide that the board of directors may not amend, repeal or reinstate that bylaw.