(1) The Tribunal is not bound by the rules of evidence but may inform itself of a matter relevant to a proceeding in the way it considers appropriate.
(2) Evidence in a proceeding may be given orally or in writing.
(3) However, the Tribunal may require evidence to be given on oath.
(4) The Tribunal may require a person to appear before it to do one or both of the following:
(a) answer a question relevant to the proceeding;
(b) produce a document relevant to the proceeding.
(5) Evidence given to the Tribunal cannot be used in civil or criminal proceedings.