Changes made by 80/1333/EEC: Commission Decision of 11 December 1980 relating to a proceeding under Article 85 of the EEC Treaty (IV/26.912 - Hennessy-Henkell) (Only the German and French texts are authentic)
EU Decision 1980/1333
No changes made by 80/1333/EEC: Commission Decision of 11 December 1980 relating to a proceeding under Article 85 of the EEC Treaty (IV/26.912 - Hennessy-Henkell) (Only the German and French texts are authentic) are recorded.
From legislation.gov.uk's record of changes, the official one: see it there.