Changes made by 79/934/EEC: Commission Decision of 5 September 1979 relating to a proceeding under Article 85 of the EEC Treaty (IV/29.021 - BP Kemi - DDSF) (Only the Danish text is authentic)
EU Decision 1979/934
No changes made by 79/934/EEC: Commission Decision of 5 September 1979 relating to a proceeding under Article 85 of the EEC Treaty (IV/29.021 - BP Kemi - DDSF) (Only the Danish text is authentic) are recorded.
From legislation.gov.uk's record of changes, the official one: see it there.