Changes made by 81/859/EEC: Council Decision of 19 October 1981 on the designation and operation of a liaison laboratory for classical swine fever
EU Decision 1981/859
No changes made by 81/859/EEC: Council Decision of 19 October 1981 on the designation and operation of a liaison laboratory for classical swine fever are recorded.
From legislation.gov.uk's record of changes, the official one: see it there.