114
Investigatory Powers Act 2016 (c. 25)
Part 6 — Bulk warrants
Chapter 1 — Bulk interception warrants
(c)
(6)
137
any conduct for obtaining
telecommunications operator.
related
systems
data
from
any
For the purposes of subsection (5)(c)—
“related systems data”, in relation to a warrant, means systems data
relating to a relevant communication or to the sender or recipient, or
intended recipient, of a relevant communication (whether or not a
person), and
“relevant communication”, in relation to a warrant, means—
(a) any communication intercepted in accordance with the warrant
in the course of its transmission by means of a
telecommunication system, or
(b) any communication from which secondary data is obtained
under the warrant.
Obtaining secondary data
(1)
This section has effect for the purposes of this Chapter.
(2)
References to obtaining secondary data from a communication transmitted by
means of a telecommunication system are references to obtaining such data—
(a) while the communication is being transmitted, or
(b) at any time when the communication is stored in or by the system
(whether before or after its transmission),
and references to secondary data obtained under a bulk interception warrant
are to be read accordingly.
(3)
“Secondary data”, in relation to a communication transmitted by means of a
telecommunication system, means any data falling within subsection (4) or (5).
(4)
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).
(5)
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.
(6)
For the meaning of “systems data” and “identifying data”, see section 263.
138
(1)
Power to issue bulk interception warrants
The Secretary of State may, on an application made by or on behalf of the head
of an intelligence service, issue a bulk interception warrant if—
(a) the Secretary of State considers that the main purpose of the warrant is
one or more of the following—
(i) the interception of overseas-related communications, and
(ii) the obtaining of secondary data from such communications,