The board shall keep information about each complaint filed with the board. The information shall include:
(1) the date the complaint is received;
(2) the name of the complainant;
(3) the subject matter of the complaint;
(4) a record of all persons contacted in relation to the complaint;
(5) a summary of the results of the review or investigation of the complaint; and
(6) for complaints for which the board took no action, an explanation of the reason the complaint was closed without action.