tag:www.gov.uk,2005:/search/guidance-and-regulationGuidance and regulation from Closed organisation: National Policing Improvement Agency2010-03-18T00:00:00+00:00HM Governmenttag:www.gov.uk,2005:/government/publications/code-of-practice-on-the-operation-and-use-of-the-police-national-database2010-03-18T00:00:00+00:00Code of practice on the operation and use of the Police National DatabaseThis document contains the following information: Code of practice on the operation and use of the Police National Database.tag:www.gov.uk,2005:/government/publications/collection-of-missing-persons-data-a-code-of-practice2009-04-08T00:00:00+01:00Collection of missing persons data: a code of practiceThis document contains the following information: Collection of missing persons data: a code of practice.