(1) The board—
(a) may hold the meetings it considers appropriate to allow the board to exercise its functions; and
(b) must hold at least 1 meeting that is open to the public in each calendar year.
(2) The board president may, in writing, call a meeting at a stated time and place.
(3) The board president must call a meeting if a majority of the board members asks the president, in writing, to call a meeting.