Changes to 82/827/EEC: Commission Decision of 24 November 1982 concerning certain measures to prevent the spread of classical swine fever
EU Decision 1982/827
Made by 83/217/EEC: Commission Decision of 21 April 1983 amending Decision 82/827/EEC concerning certain measures of protection against classical swine fever
From legislation.gov.uk's record of changes, the official one: see it there.