s 10
Any person in respect of whom a banishment or expulsion order has been made may within fourteen days of the service of a copy of the banishment order under section 5 (3), or of the service of a copy of the expulsion order under section 8 (4), as the case may be, apply to the High Court for an order that the banishment or expulsion order be set aside on the ground that he is a citizen or an exempted person; and if it be proved on that application that the person is a citizen or an exempted person the High Court shall set aside the banishment or expulsion order, as the case may be, and direct that the applicant be set at liberty. Power to revoke banishment or expulsion order.