Changes to 84/21/EEC: Commission Decision of 21 December 1983 authorizing the United Kingdom to extend intra-Community surveillance in respect of imports of bananas originating in certain third countries and put into free circulation in the other Member States (Only the English text is authentic)
EU Decision 1984/21
No changes to 84/21/EEC: Commission Decision of 21 December 1983 authorizing the United Kingdom to extend intra-Community surveillance in respect of imports of bananas originating in certain third countries and put into free circulation in the other Member States (Only the English text is authentic) are recorded.
From legislation.gov.uk's record of changes, the official one: see it there.