Investigatory Powers Act 2016 (c. 25)
Part 2 — Lawful interception of communications
Chapter 1 — Interception and examination with a warrant
35
Implementation of warrants
41
Implementation of warrants
(1)
This section applies to targeted interception warrants and mutual assistance
warrants.
(2)
In giving effect to a warrant to which this section applies, the person to whom
it is addressed (“the intercepting authority”) may (in addition to acting alone)
act through, or together with, such other persons as the intercepting authority
may require (whether under subsection (3) or otherwise) to provide the
authority with assistance in giving effect to the warrant.
(3)
For the purpose of requiring any person to provide assistance in relation to a
warrant to which this section applies, the intercepting authority may—
(a) serve a copy of the warrant on any person who the intercepting
authority considers may be able to provide such assistance, or
(b) make arrangements for the service of a copy of the warrant on any such
person.
(4)
A copy of a warrant may be served under subsection (3) on a person outside
the United Kingdom for the purpose of requiring the person to provide such
assistance in the form of conduct outside the United Kingdom.
(5)
For the purposes of this Act, the provision of assistance in giving effect to a
warrant to which this section applies includes any disclosure to the
intercepting authority, or to persons acting on behalf of the intercepting
authority, of anything obtained under the warrant.
(6)
References in this section and sections 42 and 43 to the service of a copy of a
warrant include—
(a) the service of a copy of one or more schedules contained in the warrant
with the omission of the remainder of the warrant, and
(b) the service of a copy of the warrant with the omission of any schedule
contained in the warrant.
42
Service of warrants
(1)
This section applies to the service of warrants under section 41(3).
(2)
A copy of the warrant must be served in such a way as to bring the contents of
the warrant to the attention of the person who the intercepting authority
considers may be able to provide assistance in relation to it.
(3)
A copy of a warrant may be served on a person outside the United Kingdom in
any of the following ways (as well as by electronic or other means of service)—
(a) by serving it at the person’s principal office within the United Kingdom
or, if the person has no such office in the United Kingdom, at any place
in the United Kingdom where the person carries on business or
conducts activities;
(b) if the person has specified an address in the United Kingdom as one at
which the person, or someone on the person’s behalf, will accept
service of documents of the same description as a copy of a warrant, by
serving it at that address;