Changes to 77/54/EEC: Council Decision of 21 December 1976 reviewing the energy research and development programme adopted by Decision 75/510/EEC
EU Decision 1977/54
No changes to 77/54/EEC: Council Decision of 21 December 1976 reviewing the energy research and development programme adopted by Decision 75/510/EEC are recorded.
From legislation.gov.uk's record of changes, the official one: see it there.