(1) A person on whom an enforcement notice has been served may, on notice to the Authority, not later than 45 days after being so served, apply to the High Court for the cancellation of any direction specified in the notice and, on such an application, the Court may -

(a) cancel the direction,

(b) confirm the direction, or

(c) vary the direction,

and, whether paragraph (a), (b) or (c) is applicable, make such order as to costs as it thinks fit in respect of the application.

(2) The decision of the High Court under this section on a direction specified in an enforcement notice shall be final save that, by leave of that Court or of the Supreme Court, an appeal by the Authority or the person concerned, as the case may be, from the decision shall lie to the Supreme Court on a question of law.