Idaho Code § 30-29-1020: authority to amend.

(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, section 30-29-1021, Idaho Code, or, if applicable, section 30-29-1022, Idaho Code, reserve that power exclusively to the shareholders in whole or part; or

(2) Except as provided in section 30-29-206(d), Idaho Code, the shareholders in amending, repealing, or adopting a bylaw expressly provide that the board of directors may not amend, repeal, or adopt that bylaw.

(c) A shareholder of the corporation does not have a vested property right resulting from any provision in the bylaws.