Section 710. Place and time of meetings of the board

(a)  Meetings of the board, annual, regular or special, may be held at
  any place within or without this state, unless otherwise provided by the
  certificate of incorporation or the by-laws.
    (b) The time and place for holding annual or regular meetings  of  the
  board  shall  be  fixed by or under the by-laws, or, if not so fixed, by
  the board.
    (c) A special meeting may be called at any time by  the  president  or
  other  corporate  officer as provided in the by-laws or as determined by
  the board; and, in the case of a corporation  without  members,  by  any
  director  upon  written  demand of not less than one-fifth of the entire
  board.