Changes made by 86/310/EEC: Commission Decision of 12 June 1986 on the maintenance of the status of the United Kingdom as regards classical swine fever
EU Decision 1986/310
No changes made by 86/310/EEC: Commission Decision of 12 June 1986 on the maintenance of the status of the United Kingdom as regards classical swine fever are recorded.
From legislation.gov.uk's record of changes, the official one: see it there.