Changes made by 80/334/EEC: Commission Decision of 20 December 1979 imposing a fine on Fabbrica Pisana, Pisa, pursuant to Article 15 of Regulation No 17 (Only the Italian text is authentic)
EU Decision 1980/334
No changes made by 80/334/EEC: Commission Decision of 20 December 1979 imposing a fine on Fabbrica Pisana, Pisa, pursuant to Article 15 of Regulation No 17 (Only the Italian text is authentic) are recorded.
From legislation.gov.uk's record of changes, the official one: see it there.