(1) The board of trustees shall hold at least one regular meeting each month, unless dispensed with by the board of trustees, and such other regular or special meeting as may be requested by the chairman of the board or by a majority of the members of the board.

(2) All regular and special meetings of the board of trustees shall be publicly announced prior to the meeting and shall be open to the general public.

(3) No official business shall be acted upon by the board of trustees except during a regular or special meeting held at a preannounced time and place.

(4) Information and materials pertinent to the agenda of all regular meetings of the board shall be sent to trustees prior to each meeting. Any matter of business or correspondence must be received by the secretary of the board by 12:00 noon four days before the meeting in order to be included on the agenda. The chairman or secretary may, however, present a matter of urgent business received too late for inclusion on the agenda when in his judgment the matter is of an emergency nature.

(5) All materials to be considered by the board must be submitted in sufficient quantities to provide each member of the board and the secretary with appropriate copies.