Penalties on witnesses

(1) Every person summoned to attend and give evidence or to produce books, plans or documents at any sitting of a Commission shall be bound to obey the summons served upon him. (2) Every person who, (a) refuses or omits, without sufficient cause, to attend at on him; or (b) attends at the time and place aforesaid, but leaves the without the permission of the Commissioners; or (c) refuses to take an oath when required to do so; or (d) refuses without sufficient cause to answer, or to answer fully and satisfactorily, to the best of his knowledge and belief, all questions put to him by or with the concurrence of the Commissioners; or (e) refuses or omits without sufficient cause to produce any books, plans or documents in his possession or under his control, and mentioned or referred to in the summons served on him; or (f) at any sitting of the Commission wilfully insults any Commissioner, or the Secretary, or wilfully interrupts the proceedings of the 8 Commission or otherwise misbehaves during any hearing of the Commission, is guilty of an offence and is liable on summary conviction to a fine not exceeding five hundred dollars or to imprisonment for a term not exceeding six months.