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Investigatory Powers Act 2016 (c. 25)
Part 2 — Lawful interception of communications
Chapter 1 — Interception and examination with a warrant
PART 2
LAWFUL INTERCEPTION OF COMMUNICATIONS
CHAPTER 1
INTERCEPTION AND EXAMINATION WITH A WARRANT
Warrants under this Chapter
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Warrants that may be issued under this Chapter
(1)
There are three kinds of warrant that may be issued under this Chapter—
(a) targeted interception warrants (see subsection (2)),
(b) targeted examination warrants (see subsection (3)), and
(c) mutual assistance warrants (see subsection (4)).
(2)
A targeted interception warrant is a warrant which authorises or requires the
person to whom it is addressed to secure, by any conduct described in the
warrant, any one or more of the following—
(a) the interception, in the course of their transmission by means of a postal
service or telecommunication system, of communications described in
the warrant;
(b) the obtaining of secondary data from communications transmitted by
means of a postal service or telecommunication system and described
in the warrant (see section 16);
(c) the disclosure, in any manner described in the warrant, of anything
obtained under the warrant to the person to whom the warrant is
addressed or to any person acting on that person’s behalf.
(3)
A targeted examination warrant is a warrant which authorises the person to
whom it is addressed to carry out the selection of relevant content for
examination, in breach of the prohibition in section 152(4) (prohibition on
seeking to identify communications of individuals in the British Islands).
In this Part “relevant content”, in relation to a targeted examination warrant,
means any content of communications intercepted by an interception
authorised or required by a bulk interception warrant under Chapter 1 of Part
6.
(4)
A mutual assistance warrant is a warrant which authorises or requires the
person to whom it is addressed to secure, by any conduct described in the
warrant, any one or more of the following—
(a) the making of a request, in accordance with an EU mutual assistance
instrument or an international mutual assistance agreement, for the
provision of any assistance of a kind described in the warrant in
connection with, or in the form of, an interception of communications;
(b) the provision to the competent authorities of a country or territory
outside the United Kingdom, in accordance with such an instrument or
agreement, of any assistance of a kind described in the warrant in
connection with, or in the form of, an interception of communications;
(c) the disclosure, in any manner described in the warrant, of anything
obtained under the warrant to the person to whom the warrant is
addressed or to any person acting on that person’s behalf.