Changes made by 78/194/EEC: Commission Decision of 23 December 1977 relating to a proceeding under Article 85 of the EEC Treaty (IV/26.437 - Jaz-Peter) (Only the German and French texts are authentic)
EU Decision 1978/194
No changes made by 78/194/EEC: Commission Decision of 23 December 1977 relating to a proceeding under Article 85 of the EEC Treaty (IV/26.437 - Jaz-Peter) (Only the German and French texts are authentic) are recorded.
From legislation.gov.uk's record of changes, the official one: see it there.