Changes made by 89/53/EEC: Commission Decision of 21 December 1988 authorizing methods for grading pig carcases in Italy (Only the Italian text is authentic)
EU Decision 1989/53
No changes made by 89/53/EEC: Commission Decision of 21 December 1988 authorizing methods for grading pig carcases in Italy (Only the Italian text is authentic) are recorded.
From legislation.gov.uk's record of changes, the official one: see it there.