Part 2: Lawful interception of communications Chapter 1: Interception and examination with a warrant Section 18: Persons who may apply for issue of a warrant
This section lists those persons who may apply to the Secretary of State for an interception warrant. These are the heads of: the three intelligence agencies; the National Crime Agency (NCA); the Metropolitan Police; the Police Services of Northern Ireland and Scotland; and HM Revenue & Customs, and the Chief of Defence Intelligence. A competent authority of another country may also apply for a mutual assistance warrant.