Changes made by 78/571/EEC: Commission Decision of 12 June 1978 relating to a proceeding under Article 85 of the EEC Treaty (IV/29.453 - SNPE-LEL)
EU Decision 1978/571
No changes made by 78/571/EEC: Commission Decision of 12 June 1978 relating to a proceeding under Article 85 of the EEC Treaty (IV/29.453 - SNPE-LEL) are recorded.
From legislation.gov.uk's record of changes, the official one: see it there.