Changes made by 89/52/EEC: Commission Decision of 21 December 1988 amending Decision 87/293/EEC authorizing methods for grading pig carcases in Ireland (Only the English text is authentic)
EU Decision 1989/52
No changes made by 89/52/EEC: Commission Decision of 21 December 1988 amending Decision 87/293/EEC authorizing methods for grading pig carcases in Ireland (Only the English text is authentic) are recorded.
From legislation.gov.uk's record of changes, the official one: see it there.