Article 37 Mode of giving evidence
(1)
The appellate authority may receive oral, documentary or other evidence of any fact which appears to that authority to be relevant to the appeal, even though that evidence would be inadmissible in a court of law.
(2)
In any proceedings before the appellate authority, a person shall not be compelled to give any evidence or produce any document which he could not be compelled to give or produce on the trial of an action in that part of the United Kingdom in which the proceedings are conducted.
(3)
The appellate authority may require any witness to give evidence on oath or affirmation or without either, and for that purpose, in a case where an oath or affirmation is required, an oath or affirmation in due form may be administered.