http://www.legislation.gov.uk/ukpga/2000/26/section/116/notesPostal servicesCouncil policies and plansLegislationTrading standardsConsumer complaintsExplanatory Notes to Postal Services Act 2000Department of Trade and IndustryKing's Printer of Acts of Parliament2014-03-03 26 28 July 2000 174 Section 116 requires the owner (currently the Post Office) of the database of United Kingdom postcodes (known as the Postcode Address File) to make it available to those who wish to use it, on reasonable terms and on possible payment of a charge. It also requires the owner to maintain it.