Changes to 91/190/EEC: Commission Decision of 25 February 1991 concerning animal health conditions and veterinary certificates for the import of domestic animals of the bovine and porcine species from Austria
EU Decision 1991/190
Made by 92/40/EEC: Commission Decision of 13 November 1991 amending Decision 90/90/EEC concerning the importation by Member States of live pigs, fresh pigmeat and pigmeat products from Austria and amending Decision 91/190/EEC concerning the animal health conditions and veterinary certificates for the import of domestic animals of the bovine and porcine species from Austria
From legislation.gov.uk's record of changes, the official one: see it there.