Changes to 79/858/EEC: Commission Decision of 28 September 1979 extending the period of application of the system of authorization for trade in crude oil and/or petroleum products between Italy and other Member States provided for by Decision 79/589/EEC (Only the Italian text is authentic)
EU Decision 1979/858
No changes to 79/858/EEC: Commission Decision of 28 September 1979 extending the period of application of the system of authorization for trade in crude oil and/or petroleum products between Italy and other Member States provided for by Decision 79/589/EEC (Only the Italian text is authentic) are recorded.
From legislation.gov.uk's record of changes, the official one: see it there.