(1) Except when the Tribunal is dealing with a matter of procedure or is deliberating, proceedings of the Tribunal shall, subject to the next succeeding subsection, be held in public.
(2) At a sitting of the Tribunal, the member presiding at the sitting, or, if the Tribunal is constituted by a single member exercising the powers of the Tribunal under the last preceding section, that member, may, if he or she considers it necessary in the interests of the defence of Australia, the proper administration of justice or public morals:
(a) order that some or all of the members of the public shall be excluded during the whole or a part of the sitting; or
(b) order that no report of or relating to the whole or a specified part of the proceedings of the Tribunal at the sitting shall be published.