Changes made by 84/405/EEC: Commission Decision of 6 August 1984 relating to a proceeding under Article 85 of the EEC Treaty (IV/30.350 - zinc producer group) (Only the French, German, English and Dutch texts are authentic)
EU Decision 1984/405
No changes made by 84/405/EEC: Commission Decision of 6 August 1984 relating to a proceeding under Article 85 of the EEC Treaty (IV/30.350 - zinc producer group) (Only the French, German, English and Dutch texts are authentic) are recorded.
From legislation.gov.uk's record of changes, the official one: see it there.