(1) The Tribunal may—
(a) allow the presentation of evidence in written briefs from any party;
(b) allow any party to give evidence orally;
(c) permit an interested person to appear before it by counsel on any proceeding or inquiry; or
(d) permit any person, whether a trade union representative or otherwise to appear before it as the representative of a party to a dispute where that party requests such representation in writing.
(2) Where evidence is given in written briefs, the Tribunal may further examine the evidence presented by—
(a) seeking further clarification or elaboration in writing;
(b) summoning any of the parties or their representative or counsel to an oral hearing.