The information requested falls within the responsibility of the UK statistics Authority. I have asked the Authority to reply.Letter from Karen Dunnell, dated 5 May 2009:"As National Statistician I have been asked to reply to your recent Parliamentary Question concerning which existing public bodies the Office for National Statistics has stopped classifying as part of the Civil Service since 2004. (271969).""Estimates for the home civil service from Q3 2004 onwards are taken from the Civil Service element of the Quarterly Public Sector Employment Survey (QPSES). Estimates prior to this date are based on results from the Civil Service Statistics publication (Mandate collection), undertaken by Cabinet Office.""The Office for National Statistics has stopped classifying the following public bodies as part of the Civil Service since Q3 2004:""Forensic Science Service—became a Government Owned Company on 5 December 2005 and transferred out of the Home Office.""Assets Recovery Agency—on 1 April 2008, the Assets Recovery Agency merged with the Serious Organised Crime Agency."