13.—(1) The directions which a tribunal may give under rule 12 include directions on one or more of the following matters:
(a)
the giving of evidence orally or by written statement;
(b)
the time limited for giving oral testimony;
(c)
the calling of a witness to give evidence with a view to assisting in the resolution or disposal of the application, whether or not any party will be calling that witness to give evidence for that party;
(d)
the time limited for oral arguments;
(e)
the length of any written submissions;
(f)
subject to section 62A of the Evidence Act (Cap. 97), the giving of evidence through a live video or live television link;
(g)
subject to any written law or rule of law restricting the disclosure, or relating to the confidentiality, of any document or information —
(i)
the disclosure of any document or information;
(ii)
whether any document or information should be treated as confidential; and
(iii)
whether any party to the proceedings may inspect any document.
(2) The tribunal may, where it considers it necessary for the just, expeditious or economical disposal of any cause or matter —
(a)
order that a person specified by the tribunal be called as a witness;
(b)
give directions for —
(i)
the filing of a written report by the specified person; and
(ii)
the examination and cross‑examination of the specified person; and
(c)
determine —
(i)
the sum to be paid to the specified person for each day during which that person is required to be present before the tribunal judge;
(ii)
who is to pay that sum; and
(iii)
if the tribunal orders 2 or more persons to pay that sum, how that sum is to be apportioned between those persons.