The Tribunal may –

(a) require any person appearing before it to produce any document; and

(b) require any person appearing before it to give evidence on oath or affirmation; and

(c) require any person appearing before it to answer questions; and

(d) proceed with and determine any proceedings even though a person who has been summoned to appear does not appear in the proceedings; and

(e) adjourn any proceedings from time to time and from place to place.