(1) For the purposes of a review, the Commission may:
(a) summon a person to appear at a hearing of the review to give evidence and to produce such documents (if any) as are referred to in the summons; and
(b) require a person appearing at a hearing of the review for the purpose of giving evidence either to take an oath or to make an affirmation; and
(c) administer an oath or affirmation to a person so appearing; and
(d) adjourn a hearing of the review from time to time.
(2) The person who applied for the review under this Division is a competent and compellable witness upon the hearing of the review.
(3) The Commission's power under subsection (1) to take evidence on oath or affirmation:
(a) may be exercised on behalf of the Commission by:
(i) the presiding member; or
(ii) by another person (whether a member or not) authorised by the presiding member; and
(b) may be exercised within or outside Australia; and
(c) must be exercised subject to any limitations specified by the Commission.
(4) If a person is authorised under subparagraph (3)(a)(ii) to take evidence for the purposes of a review, the person has all the powers of the Commission under subsection (1) for the purposes of taking that evidence.