14
Investigatory Powers Act 2016 (c. 25)
Part 2 — Lawful interception of communications
Chapter 1 — Interception and examination with a warrant
(5)
The data falling within this subsection is systems data which is comprised in,
included as part of, attached to or logically associated with the communication
(whether by the sender or otherwise).
(6)
The data falling within this subsection is identifying data which—
(a) is comprised in, included as part of, attached to or logically associated
with the communication (whether by the sender or otherwise),
(b) is capable of being logically separated from the remainder of the
communication, and
(c) if it were so separated, would not reveal anything of what might
reasonably be considered to be the meaning (if any) of the
communication, disregarding any meaning arising from the fact of the
communication or from any data relating to the transmission of the
communication.
(7)
For the meaning of “systems data” and “identifying data”, see section 263.
17
Subject-matter of warrants
(1)
A warrant under this Chapter may relate to—
(a) a particular person or organisation, or
(b) a single set of premises.
(2)
In addition, a targeted interception warrant or targeted examination warrant
may relate to—
(a) a group of persons who share a common purpose or who carry on, or
may carry on, a particular activity;
(b) more than one person or organisation, or more than one set of premises,
where the conduct authorised or required by the warrant is for the
purposes of a single investigation or operation;
(c) testing or training activities.
(3)
In subsection (2)(c) “testing or training activities” means—
(a) in relation to a targeted interception warrant—
(i) the testing, maintenance or development of apparatus, systems
or other capabilities relating to the interception of
communications in the course of their transmission by means of
a telecommunication system or to the obtaining of secondary
data from communications transmitted by means of such a
system, or
(ii) the training of persons who carry out, or are likely to carry out,
such interception or the obtaining of such data;
(b) in relation to a targeted examination warrant—
(i) the testing, maintenance or development of apparatus, systems
or other capabilities relating to the selection of relevant content
for examination, or
(ii) the training of persons who carry out, or are likely to carry out,
the selection of relevant content for examination.