a fire and rescue authority Fire Authority for Northern Ireland Food Standards Agency Gambling Commission Gangmasters Licensing Authority Government Communications Headquarters Health and Safety Executive HM Revenue and Customs Home Office (for the purposes of the UK Border Agency) Independent Police Complaints Commission Information Commissioner a Joint Board where it is a fire authority Office of Communications Office of Fair Trading The Pensions Regulator Office of the Police Ombudsman for Northern Ireland Port of Dover Police Port of Liverpool Police Post Office Investigation Branch Postal Services Commission NHS ambulance service Trust NHS Counter Fraud and Security Management Service Northern Ireland Ambulance Service Health and Social Services Trust Northern Ireland Health and Social Services Central Services Agency Royal Navy Regulating Branch Royal Military Police Royal Air Force Police Scottish Ambulance Service Board a Scottish council where it is a fire authority Scottish Environment Protection Agency Secret Intelligence Service Security Service Serious Fraud Office the special police forces (including the Scottish Drug Enforcement Agency) the territorial police forces Welsh Ambulance Services NHS Trust Directed surveillance and covert human intelligence sources The reasons for which the use of directed surveillance & covert human intelligence sources is permitted vary with each authority. Refer to the legislation for more specific information. the armed forces Charity Commission Commission for Healthcare Audit and Inspection a county council or district council in England, a London borough council, the Common Council of the City of London in its capacity as a local authority, the Council of the Isles of Scilly, and any county council or county borough council in Wales Department for Environment, Food and Rural Affairs (for the purposes of the Marine Fisheries Agency) Department of Health (for the purposes of the Medicines and Healthcare products Regulatory Agency) Department of Trade and Industry Department for Transport (for the purposes of transport security, Vehicle and Operator Services Agency, Driving Standards Agency and Maritime and Coastguard Agency) Department for Work and Pensions Environment Agency Financial Conduct Authority a fire authority Food Standards Agency Gambling Commission Gangmasters Licensing Authority Government Communications Headquarters Commissioners of Revenue and Customs Home Office (for the purposes of HM Prison Service and the UK Border Agency) Ministry of Defence Northern Ireland Office (for the purposes of the Northern Ireland Prison Service) Ofcom Office of Fair Trading Office of the Deputy Prime Minister Office of the Police Ombudsman for Northern Ireland Postal Services Commission Port of Dover