(a) The board shall maintain a system to act promptly and efficiently on each complaint filed with the board. The board shall maintain information concerning:
(1) parties to the complaint;
(2) the subject matter of the complaint;
(3) a summary of the results of the review or investigation of the complaint;
(4) the disposition of the complaint; and
(5) other relevant information.
(b) The board shall periodically notify parties to the complaint of the status of the complaint until the board finally disposes of the complaint.