Changes made by 80/27/EEC: Council Decision of 18 December 1979 adopting a multiannual research programme of the European Economic Community in the field fo climatology (indirect action, 1980 to 1984)
EU Decision 1980/27
No changes made by 80/27/EEC: Council Decision of 18 December 1979 adopting a multiannual research programme of the European Economic Community in the field fo climatology (indirect action, 1980 to 1984) are recorded.
From legislation.gov.uk's record of changes, the official one: see it there.