Changes to 90/218/EEC: Council Decision of 25 April 1990 concerning the administration of Bovine Somatotrophin (BST)
EU Decision 1990/218
Made by 92/98/EEC: Council Decision of 10 February 1992 amending Decision 90/218/EEC concerning the placing on the market and administration of Bovine Somatotrophin (BST)
From legislation.gov.uk's record of changes, the official one: see it there.