Changes made by 88/589/EEC: Commission Decision of 4 November 1988 relating to a proceeding under Article 86 of the EEC Treaty (IV/32.318, London European - Sabena) (Only the French and Dutch texts are authentic)
EU Decision 1988/589
No changes made by 88/589/EEC: Commission Decision of 4 November 1988 relating to a proceeding under Article 86 of the EEC Treaty (IV/32.318, London European - Sabena) (Only the French and Dutch texts are authentic) are recorded.
From legislation.gov.uk's record of changes, the official one: see it there.