Administrative Decisions Tribunal Act 1997 No 76
83 Powers in relation to witnesses
(1) The Tribunal may:
(a) call any witness of its own motion in any proceedings, and
(b) examine any witness on oath or affirmation, or by use of a statutory declaration, in any proceedings, and
(c) examine or cross-examine any witness to such extent as the Tribunal thinks proper in order to elicit information relevant to the exercise of the functions of the Tribunal in any proceedings, and
(d) compel any witness to answer questions which the Tribunal considers to be relevant in any proceedings before it.
(2) If the Tribunal decides to call a person as a witness under subsection (1) (a), the Tribunal may:
(a) seek to procure the voluntary attendance of the person before it by notifying the person in such manner as it thinks appropriate in the circumstances, or
(b) direct the Registrar to issue a summons to compel the attendance of the person before it.
(3) Nothing in subsection (1) enables the Tribunal to compel a witness to answer a question if the witness has a reasonable excuse for refusing to answer the question.