Evidence
28.—(1) Subject to rule 24 (notification of witnesses) and to any directions by the adjudicator, a party may—
(a)give evidence;
(b)with the permission of the adjudicator under rule 5 (directions), bring expert evidence;
(c)call witnesses;
(d)question any witnesses; and
(e)address the adjudicator on the evidence, and generally on the subject matter of the appeal.
(2) No person may be compelled to give any evidence or produce any document that the person could not be compelled to give or produce at the trial of an action in a court of law in England and Wales.
(3) The adjudicator may require any person to give evidence on oath or affirmation.
(4) Evidence may be admitted by the adjudicator whether or not it—
(a)would be admissible in a civil trial in England and Wales; or
(b)was available to the registrar when the registrar’s decision was made.