12(1)This paragraph applies to a journey—U.K.
(a)to Great Britain from the Republic of Ireland, Northern Ireland or any of the Islands,
(b)from Great Britain to any of those places,
(c)to Northern Ireland from Great Britain, the Republic of Ireland or any of the Islands, or
(d)from Northern Ireland to any of those places.
(2)Where a ship or aircraft is employed to carry passengers for reward on a journey to which this paragraph applies the owners or agents of the ship or aircraft shall not arrange for it to call at a port in Great Britain or Northern Ireland for the purpose of disembarking or embarking passengers unless—
(a)the port is a designated port, or
(b)an examining officer approves the arrangement.
(3)Where an aircraft is employed on a journey to which this paragraph applies otherwise than to carry passengers for reward, the captain of the aircraft shall not permit it to call at or leave a port in Great Britain or Northern Ireland unless—
(a)the port is a designated port, or
(b)he gives at least 12 hours’ notice in writing to a constable for the police area in which the port is situated (or, where the port is in Northern Ireland, to a member of the Royal Ulster Constabulary).
(4)A designated port is a port which appears in the Table at the end of this Schedule.
(5)The Secretary of State may by order—
(a)add an entry to the Table;
(b)remove an entry from the Table.