capable of being authorised by a warrant
under section 5,
(c)
a person authorised
section to do that act
Islands, does the act
property while it is
Islands, and
by virtue of this
outside the British
in relation to that
within the British
(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.
(12) An act is done in circumstances falling within
this subsection if it–
(a)
is done in relation to property which was
mistakenly believed to be outside the
British Islands either when the
authorisation under this section was
given or at a subsequent time or which
has been brought within the British
Islands since the giving of the
authorisation; but
(b)
is done before the end of the fifth
working day after the day on which the
presence of the property in the British
Islands first becomes known.
(13) In subsection (12) the reference to the day on
which the presence of the property in the British
Islands first becomes known is a reference to the
day on which it first appears to a member of the
Intelligence Service or of GCHQ, after the
relevant time–
(a)
that the belief that the property was
outside the British Islands was mistaken;
or
(b)
that the property is within those Islands.