The hearing of an application, or part of the hearing, need not be in public if—
(a) the order sought is a consent order; or
(b) the part of the hearing is an application for an interim order and the respondent has not been served with a copy of the application under the Act, section 16 (Service of application); or
(c) the respondent has been served with the application and the notice about the proceeding and does not appear in the Magistrates Court when the application is returned before the court.