Section 80: Territorial application
265.The provisions of this Part apply to anything done:
in Great Britain; or
on a British ship (a ship registered in Great Britain or owned or used for Crown purposes), hovercraft (a hovercraft registered in Great Britain), or aircraft (and in relation to the provision of facilities to travel on these).
266.Under subsection (3), section 52, which includes the function of granting someone entry into the UK, applies to anything done inside or outside the UK.
267.Under subsection (5), the provisions of this Part will not apply to anything done in or over a country other than the UK, or in or over the territorial waters of a country other than the UK, if it is done to comply with the law of that country.