http://www.legislation.gov.uk/uksi/1999/151/signature/made
The Police Act 1997 (Commencement No. 6) Order 1999
Police
King's Printer of Acts of Parliament
2011-07-04
POLICE
This Order brings into force those provisions not already in force of Part III of the Police Act 1997, which makes provision for the authorisation, in specified circumstances, of the entry on or interference with property or wireless telegraphy on the application of a member of a police force, or of the National Criminal Intelligence Service or the National Crime Squad, or of a customs officer. Part III, and most of the provisions of Part I, II, IV and VI, have now been brought into force: see the Police Act 1997 (Commencement No. 5 and Transitional Provisions) Order 1998 (S.I. 1998/354).
Paul BoatengMinister of StateHome Office