(1) Unless an enactment otherwise provides, the appeal is to be by way of rehearing.
(2) The court may receive further evidence on matters of fact.
(3) The court may draw any inferences of fact which might have been drawn in the proceedings in which the decision was made.
(4) The court may —
(a) give any decision or make any order which ought to have been given or made by the tribunal or person whose decision is appealed; and
(b) make such further or other order as the case requires; or
(c) remit the matter with the opinion of the court for rehearing and determination by the tribunal or person.
(5) The court is not bound to allow an appeal because of —
(a) a misdirection; or
(b) the improper admission or rejection of evidence,
unless it considers that a substantial wrong or a miscarriage of justice has been caused.