2(1)In the case of ships or aircraft—
(a)coming to Northern Ireland from any of the other places mentioned in paragraph 1(5) above, or
(b)going to Northern Ireland from any of those places,
an order may restrict the ports, areas or places in Northern Ireland which they may use.
(2)An order may provide for the supply and use of landing cards and embarkation cards by persons disembarking in Northern Ireland from ships or aircraft, or boarding ships or aircraft about to leave Northern Ireland.