"Any hearing of or in connection with an originating application shall take place in public ..."
"Notwithstanding paragraph (2), a tribunal may sit in private for the purpose of - (a) ... (b) hearing evidence from any person which in the opinion of the tribunal is likely to consist of - (i) ...
"did not indicate that [it] was limited to any particular witness or particular part of the evidence."
"3. The Tribunal unanimously takes the view that the importance of Tribunal hearings being in public cannot be overstressed and that hearings in private should only occur in the rarest of circumstances. ...
"The Tribunal does not wish to sit in private on this case and is not of the opinion that information communicated in confidence or which would cause substantial injury to the respondents need be given."
"except in so far as it may, under this or any other Act, under rules of court or in accordance with the practice of the court, be dealt with in chambers."