The Investigatory Powers (Technical Capability) Regulations 2018 No. 353

SCHEDULE 1 Obligations in relation to warrants under Part 2 or Chapter 1 of Part 6 of the Act

PART 1 Relevant telecommunications operators

10.  To ensure that any apparatus, systems or other facilities or services necessary to carry out the interception of communications or obtaining of secondary data are at least as reliable as any telecommunication system by means of which the communication that is intercepted, or the communication from which secondary data is obtained, is transmitted.