(3) If the Disciplinary Tribunal is of the opinion that it is proper to do so, having regard to the interest of any person (including (without limitation) the privacy of the complainant (if any)) and to the public interest, it may hold a hearing or part of a hearing in private.
(4) The Disciplinary Tribunal may, in any case, deliberate in private on its decision or on any question arising in the course of a hearing.