(1) For the purpose of the review of a decision, the Tribunal may:
(a) take evidence on oath or affirmation;
(b) adjourn the review from time to time;
(c) subject to section 378, give information to the applicant and to the Secretary; or
(d) require the Secretary to arrange for the making of any investigation, or any medical examination, that the Tribunal thinks necessary with respect to the review, and to give to the Tribunal a report of that investigation or examination.
(2) The Tribunal may combine the reviews of 2 or more Part 5-reviewable decisions made in respect of the same person.
(3) Subject to subsection (4), the Tribunal may, for the purposes of a review:
(a) summon a person to appear before the Tribunal to give evidence;
(b) summon a person to produce to the Tribunal the documents or things referred to in the summons;
(c) require a person appearing before the Tribunal to give evidence either to take an oath or to make an affirmation; and
(d) administer an oath or affirmation to a person so appearing.
(4) The Tribunal must not, for the purposes of a review that is being conducted in Australia, summon a person under paragraph (3)(a) or (b) unless the person is in Australia.