Immigration Act 1971

27 (1) The captain of a ship or aircraft arriving in the United Kingdom—

(a) shall take such steps as may be necessary to secure that persons on board do not disembark there unless either they have been examined by an immigration officer, or they disembark in accordance with arrangements approved by an immigration officer, or they are members of the crew who may lawfully enter the United Kingdom without leave by virtue of section 8(1) of this Act; and

(b) where the examination of persons on board is to be carried out on the ship or aircraft, shall take such steps as may be necessary to secure that those to be examined are presented for the purpose in an orderly manner.

(2) The Secretary of State may by order made by statutory instrument make provision for requiring captains of ships or aircraft arriving in the United Kingdom, or of such of them as arrive from or by way of countries or places specified in the order, to furnish to immigration officers—

(a) a passenger list showing the names and nationality or citizenship of passengers arriving on board the ship or aircraft;

(b) particulars of members of the crew of the ship or aircraft;

and for enabling an immigration officer to dispense with the furnishing of any such list or particulars.