Changes made by 89/51/EEC: Commission Decision of 21 December 1988 authorizing a method for grading pig carcases in the Grand Duchy of Luxembourg (Only the French text is authentic)
EU Decision 1989/51
No changes made by 89/51/EEC: Commission Decision of 21 December 1988 authorizing a method for grading pig carcases in the Grand Duchy of Luxembourg (Only the French text is authentic) are recorded.
From legislation.gov.uk's record of changes, the official one: see it there.