Section 4: Tribunal may regulate its own proceedings.

(1) Unless the instrument otherwise prescribes, a tribunal may regulate its own proceedings save that, if the members shall, in any case, be equally divided on any question that arises during the proceedings of the tribunal, the chairman shall have a second or casting vote.
(2) Such Regulations may confer on the tribunal power to appoint, at its discretion, suitable persons to assist in the preparation or presentation of evidence for its purposes.