Changes made by 79/4/EEC: Council Decision of 19 December 1978 on the collection of information concerning the activities of carriers participating in cargo liner traffic in certain areas of operation
EU Decision 1979/4
No changes made by 79/4/EEC: Council Decision of 19 December 1978 on the collection of information concerning the activities of carriers participating in cargo liner traffic in certain areas of operation are recorded.
From legislation.gov.uk's record of changes, the official one: see it there.