5.—(1) If a person aggrieved by an order to which this Schedule applies desires to question the validity of the order, or of any provision contained in the order, on the ground that it is not within the powers of this Order or on the ground that any requirement of this Order or of regulations made under this Order has not been complied with in relation to the order, he may, within six weeks from the date on which the notice required by paragraph 4 is first published, make an application for the purpose to the county court.N.I.
(2) On any such application the court—
(a)may by interim order suspend the operation of the order, or of any provision contained in the order, either generally or in so far as it affects any property of the applicant, until the final determination of the proceedings; and
(b)if satisfied—
(i)that the order or any provision contained in the order is not within the powers of this Order, or
(ii)that the interests of the applicant have been substantially prejudiced by failure to comply with any requirement of this Order or of regulations made under this Order,
may quash the order or any provision contained in the order, either generally or in so far as it affects any property of the applicant.