Covert surveillance and property interference : revised code of practice /
Great Britain.Home Office.
London : TSO,
2010.
Pursuant to section 71 of the Regulation of Investigatory Powers Act 2000. Commencement: This code applies to every authorisation of covert surveillance or of entry on or interference with property or with wireless telegraphy carried out under section 5 of the Intelligence Services Act 1994, Part III of the Police Act 1997 or Part II of the Regulation of Investigatory Powers Act 2000 by public authorities which begins on or after the day on which this code comes into effect (06.04.2010).