73.—(1) In determining an appeal under article 70, the appeal body may—
(a)affirm the decision;
(b)quash the decision or vary any of its terms;
(c)substitute a deemed refusal with a decision of the appeal body;
(d)give directions as to the exercise of the regulator’s functions under this Order.
(2) The appeal body may not make a determination that would result in a decision which could not otherwise have been made under this Order.