Changes to 89/50/EEC: Commission Decision of 21 December 1988 authorizing methods for grading pig carcases in France (Only the French text is authentic)
EU Decision 1989/50
Made by 93/248/EEC: Commission Decision of 5 April 1993 amending Decision 89/50/EEC authorizing methods for grading pig carcases in France (Only the French text is authentic)
From legislation.gov.uk's record of changes, the official one: see it there.