(1) In this Schedule "examining officer" means any of the following -
(a) a constable,
(b) an immigration officer who is designated for the purpose of this Schedule by the Secretary of State, and
(c) a customs officer who is designated for the purpose of this Schedule by the Secretary of State and the Commissioners of Customs and Excise.
(2) In this Schedule -
"the border area" has the meaning given by paragraph 4,
"captain" means master of a ship or commander of an aircraft,
"port" includes an airport and a hoverport,
"ship" includes a hovercraft and any floating vessel or structure, and
(3) A place shall be treated as a port for the purposes of this Schedule in relation to a person if an examining officer believes that the person -
(a) has gone there for the purpose of embarking on a ship or aircraft, or
(b) has arrived there on disembarking from a ship or aircraft.
Examining officers etc
(1) The Secretary of State must un
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