Section 22 

Power to stop, question and detain

1

(1) An examining officer may question a person for the purpose of determining whether the person appears to be a person who is, or has been, engaged in hostile activity if condition 1 or condition 2 is met.

(2) Condition 1 is met if -

(a) the person is at a port or in the border area, and

(b) the examining officer believes that the person's presence at the port or in the border area is connected with the person's -

(i) entry into, or departure from, Great Britain or Northern Ireland, or

(ii) travel by air within Great Britain or Northern Ireland.

(3) Condition 2 is met if the person is on a ship or aircraft which has arrived at any place in Great Britain or Northern Ireland (whether from within or outside Great Britain or Northern Ireland).

(4) An examining officer may exercise the powers under this paragraph whether or not there are grounds for suspecting that a person is or has been engaged in hostile activity.

(5) A person is or has been engaged in hostile activity for the purposes of this Schedule if the person is or has been concerned in the commission, preparation or instigation of a hostile act that is or may be -