Changes made by 85/77/EEC: Commission Decision of 10 December 1984 relating to a proceeding under Article 85 of the EEC Treaty (IV/30.717 - Uniform Eurocheques) (Only the French, English, German, Italian, Dutch and Danish texts are authentic)
EU Decision 1985/77
No changes made by 85/77/EEC: Commission Decision of 10 December 1984 relating to a proceeding under Article 85 of the EEC Treaty (IV/30.717 - Uniform Eurocheques) (Only the French, English, German, Italian, Dutch and Danish texts are authentic) are recorded.
From legislation.gov.uk's record of changes, the official one: see it there.