Changes made by 77/66/EEC: Commission Decision of 22 December 1976 relating to a proceeding under Article 85 of the EEC Treaty (IV/24.510 - GERO-fabriek) (Only the Dutch text is authentic)
EU Decision 1977/66
No changes made by 77/66/EEC: Commission Decision of 22 December 1976 relating to a proceeding under Article 85 of the EEC Treaty (IV/24.510 - GERO-fabriek) (Only the Dutch text is authentic) are recorded.
From legislation.gov.uk's record of changes, the official one: see it there.