Fourth Validation Compendium Report: Report by the Comptroller and Auditor General / NAO, 19 December 2007
http://www.nao.org.uk/pn/07-08/070822.htm
Volume 1: HC 22-I Session 2007-2008
PDF - http://www.nao.org.uk/publications/nao_reports/07-08/070822i.pdf
Volume 2: HC 22-II Session 2007-2008
PDF - http://www.nao.org.uk/publications/nao_reports/07-08/070822ii.pdf
"Government departments have improved the quality of the data systems used to report progress against their Public Service Agreements. But a report out today by the National Audit Office found that although half of the data systems needed no further work, over a third, though broadly appropriate, needed strengthening and some 15 per cent were not fit for purpose or not fully established."