(1) A person shall not be present during the hearing of any proceedings under this Act except—
(a) officers of the court;
(b) parties to the proceedings and their counsel;
(c) witnesses; or
(d) any other person permitted by the magistrate to be present.
(2) A witness shall leave the courtroom if asked to do so by the magistrate.
(3) This section does not limit any other power of the court to hear proceedings in camera or to exclude any person from the court.