In hearing an appeal under this Part the Appeal
(a) receive evidence on oath;
(b)
admit or take into account any statement,
document, information or matter whether or not it
would be admissible in a court of law;
(c)
by notice in writing summon any person to appear
before it to produce any document or to give
evidence; and
(d)
make an award of costs of such sum, if any, as is
just and equitable in all the circumstances of
the case.
(7)
The Appeal Board shall have the powers which are
vested in the High Court in the exercise of its powers
under subsection (6).
(8) In relation to the hearing of an appeal under
this Part the Chairman may determine any form or matter of
practice or procedure in so far as no provision is made
therefor in this Ordinance.
Supplementary provisions.
21. (1) If the Chairman is precluded by illness,
absence from Hong Kong or any other cause from exercising