(a) If the provision was originally adopted by the shareholders, only by the shareholders; or
(b) If the provision was originally adopted by the board of directors, either by the shareholders or by the board of directors.
(2) A bylaw provision adopted or amended by the shareholders that fixes a greater quorum or voting requirement for the board of directors may provide that it may be amended or repealed only by a specified vote of either the shareholders or the board of directors. [1987 c.52 §114; 1989 c.1040 §26]