Changes made by 84/233/EEC: Commission Decision of 18 April 1984 relating to a proceeding under Article 85 of the EEC Treaty (IV/30.849 IBM personal computer)
EU Decision 1984/233
No changes made by 84/233/EEC: Commission Decision of 18 April 1984 relating to a proceeding under Article 85 of the EEC Treaty (IV/30.849 IBM personal computer) are recorded.
From legislation.gov.uk's record of changes, the official one: see it there.