Immigration Act 1971

Power to stop, board, divert and detain U.K.

[F1 [F2 B1 (1) This paragraph applies if a relevant officer has reasonable grounds to suspect that—

(a) a relevant offence is being, or has been, committed on the ship, or

(b) the ship is otherwise being used in connection with the commission of a relevant offence.

(2) The relevant officer may—

(a) stop the ship;

(b) board the ship;

(c) require the ship to be taken to any place (on land or on water) in the United Kingdom or elsewhere and detained there;

(d) require the ship to leave United Kingdom waters.

(3) The relevant officer may require the master of the ship or any member of its crew to take such action as is necessary for the purposes of sub-paragraph (2).

(4) Where a ship is required to be taken to a place under sub-paragraph (2)(c), the relevant officer may require any person on board the ship to take such action as is reasonably necessary to ensure that person is taken to that place or to any other place determined by the relevant officer.

(5) Where a ship is required to leave United Kingdom waters under sub-paragraph (2)(d), the relevant officer may require any person on board the ship to take such action as is reasonably necessary to ensure that person leaves United Kingdom waters.

(6) The authority of the Secretary of State is required before a relevant officer may exercise the power under sub-paragraph (2)(c) to require the ship to be taken to any place—

(a) within a State other than the United Kingdom, or

(b) within a relevant territory.

(7) But a relevant officer acting under authority given under section 28LA(3)(c) or (d) in relation to a foreign ship or a ship registered under the law of a relevant territory may require the ship to be taken to a place mentioned in sub-paragraph (8) without authority under sub-paragraph (6).

(8) Those places are—

(a) a place in the home state or relevant territory in question, or

(b) if the home state or relevant territory requests, a place in any other State or relevant territory willing to receive the ship.

(9) A relevant officer must give notice in writing to the master of any ship detained under this paragraph.

(10) The notice must state that the ship is to be detained until the notice is withdrawn by the giving of a further notice in writing signed by a relevant officer.

(11) The requirement to give notice under sub-paragraph (9) does not apply where it is not reasonably possible to identify who is the master of the ship.

(12) In this paragraph “home state”, in relation to a foreign ship, means—

(a) the State in which the ship is registered, or

(b) the State whose flag the ship is otherwise entitled to fly.]]

Textual Amendments

F1 Sch. 4A inserted (31.5.2016) by Immigration Act 2016 (c. 19), s. 94(1), Sch. 14 para. 8; S.I. 2016/603, reg. 2(d)

F2 Sch. 4A Pts. A1-M1 inserted (28.6.2022) by Nationality and Borders Act 2022 (c. 36), s. 87(1), Sch. 7 para. 10; S.I. 2022/590, regs. 1(2), 2, Sch. 1 para. 22 (with Sch. 2 para. 8)