(a) The board shall meet on a regular basis to transact its business. The board shall meet at such additional times as it may determine. Such additional meetings may be called by the president of the board or by at least two-thirds of the members of the board.

(b) Notice of all meetings of the board shall be given in the manner and pursuant to requirements prescribed by Chapter 14 of Title 50 relating to open meetings.

(c) A majority of the members of the board shall constitute a quorum for the conduct of a board meeting and, except where a greater number is required by this chapter or by any rule of the board, all actions of the board shall be by a majority of a quorum.

(d) All board meetings and hearings shall be open to the public. The board may, in its discretion and according to law, conduct any portion of its meeting in executive session closed to the public.