Changes to 84/313/EEC: Commission Decision of 28 May 1984 amending for the fourth time Decision 82/467/EEC authorizing a number of Member States to sell butter at a reduced price in the form of concentrated butter (Only the French, English and German texts are authentic)
EU Decision 1984/313
No changes to 84/313/EEC: Commission Decision of 28 May 1984 amending for the fourth time Decision 82/467/EEC authorizing a number of Member States to sell butter at a reduced price in the form of concentrated butter (Only the French, English and German texts are authentic) are recorded.
From legislation.gov.uk's record of changes, the official one: see it there.