Covert human intelligence sources : code of practice /
Great Britain.Home Office.
London : Stationery Office,
c2010.
Pursuant to section 71 of the Regulation of Investigatory Powers Act 2000. Commencement: this code applies to every authorisation of the use or conduct by public authorities of covert human intelligence sources carried out under Part II of the Regulation of Investigatory Powers Act 2000 which begins on or after the day this code comes into effect (06.04.2010). Supersedes previous 2002 code of practice (ISBN 9780113412853).