Changes made by 93/20/EEC: Commission Decision of 10 December 1992 concerning the import of fresh pigmeat, pigmeat products and live pigs from Hungary and amending Decisions 82/8/EEC, 91/449/EEC and 92/322/EEC
EU Decision 1993/20
Made to 92/322/EEC: Commission Decision of 10 June 1992 concerning animal health conditions and veterinary certificates for the import of domestic animals of the bovine and porcine species from Hungary
From legislation.gov.uk's record of changes, the official one: see it there.