Judgment Approved by the court for handing down.
Privacy International v Investigatory Powers Tribunal
(a) if the authorisation was given under the hand of the
Secretary of State, at the end of the period of six months
beginning with the day on which it was given;
(b) in any other case, at the end of the period ending with the
second working day following the day on which it was given.
(7) If at any time before the day on which an authorisation would
cease to have effect the Secretary of State considers it necessary
for the authorisation to continue to have effect for the purpose
for which it was given, he may by an instrument under his hand
renew it for a period of six months beginning with that day.
(8) The Secretary of State shall cancel an authorisation if he is
satisfied that any act authorised by it is no longer necessary.
(9) For the purposes of this section the reference in subsection
(1) to an act done outside the British Islands includes a reference
to any act which(a) is done in the British Islands; but
(b) is or is intended to be done in relation to apparatus that is
believed to be outside the British Islands, or in relation to
anything appearing to originate from such apparatus;
and in this subsection "apparatus" has the same meaning as in
[RIPA].
(10) Where(a) a person is authorised by virtue of this section to do an act
outside the British Islands in relation to property,
(b) the act is one which, in relation to property within the
British Islands, is capable of being authorised by a warrant
under section 5,
(c) a person authorised by virtue of this section to do that act
outside the British Islands, does the act in relation to that
property while it is within the British Islands, and
(d) the act is done in circumstances falling within subsection
(11) or (12),
this section shall have effect as if the act were done outside the
British Islands in relation to that property.
(11) An act is done in circumstances falling within this
subsection if it is done in relation to the property at a time when
it is believed to be outside the British Islands.