(1) For the purpose of hearing and determining an appeal, a Tribunal may ¾

(a) by summons signed on behalf of the Tribunal by the Registrar require any person to attend before the Tribunal or to produce before the Tribunal any books, papers, plans or other documents;

(b) inspect any books, papers, plans or other documents produced before the Tribunal and retain them for such reasonable period as it thinks fit, and make copies of them;

(c) require any person to make oath or affirmation that he will truly answer all questions put to him by the Tribunal relevant to the appeal before the Tribunal (which oath or affirmation may be administered by a member of the Tribunal or any officer of the Tribunal);

(d) require any person appearing before the Tribunal (whether he has been summoned to appear or not) to answer any relevant questions put to him by the Tribunal or by any other person appearing before the Tribunal.

(2) Subject to subsection (3), if any person ¾

(a) who has been served with a summons to attend before the Tribunal or to produce before the Tribunal any books, papers, plans or other documents, fails without reasonable excuse (proof of which shall lie upon him) to comply with the summons;

(b) refuses to be sworn or to affirm, or to answer any relevant question, when required to do so by the Tribunal; or

(c) misbehaves himself before the Tribunal, wilfully insults the Tribunal, or interrupts the proceedings of the Tribunal,

he is guilty of an offence and liable to a penalty not exceeding one thousand dollars.

(3) A person shall not be obliged to answer a question put to him under this section if the answer to that question would tend to incriminate him, or to produce any book, paper, plan or document if its contents would tend to incriminate him.