Home Office
Guidance on the use of covert surveillance by public authorities under part 2 of the Regulation of Investigatory Powers Act (RIPA) 2000.
The code of practice also provides guidance on entry or interference with property or wireless telegraphy by public authorities under section 5 of the Intelligence Services Act 1994 or part 3 of the Police Act 1997.
You can view the past code of practice on the National Archives website.
The Covert Human Intelligence Sources code of practice which was previously included on this page has now been revised and you can view the revised code of practice here.