The Regulation of Investigatory Powers (Communications Data) (Additional Functions and Amendment) Order 2006
Article 2 of this Order specifies additional purposes as purposes falling within section 22(2) of the Regulation of Investigatory Powers Act 2000 (“the 2000 Act”). Under section 22(1) of that Act, section 22 applies where a person designated for the purposes of Chapter 2 (acquisition and disclosure of communications data) of Part 1 of that Act believes that it is necessary on grounds falling within section 22(2) to obtain communications data (as defined by section 21(4)). Such a person may grant an authorisation under section 22(3) or give a notice under section 22(4).