Changes made by 75/297/EEC: Commission Decision of 5 March 1975 relating to a proceeding under Article 85 of the EEC Treaty (IV/27.879 - Sirdar-Phildar) (Only the English and French texts are authentic)
EU Decision 1975/297
No changes made by 75/297/EEC: Commission Decision of 5 March 1975 relating to a proceeding under Article 85 of the EEC Treaty (IV/27.879 - Sirdar-Phildar) (Only the English and French texts are authentic) are recorded.
From legislation.gov.uk's record of changes, the official one: see it there.