Changes to 83/259/EEC: Commission Decision of 17 May 1983 amending Decision 83/216/EEC concerning certain measures of protection against classical swine fever
EU Decision 1983/259
No changes to 83/259/EEC: Commission Decision of 17 May 1983 amending Decision 83/216/EEC concerning certain measures of protection against classical swine fever are recorded.
From legislation.gov.uk's record of changes, the official one: see it there.