Changes to 77/186/EEC: Council Decision of 14 February 1977 on the exporting of crude oil and petroleum products from one Member State to another in the event of supply difficulties
EU Decision 1977/186
The legislation that changes 77/186/EEC: Council Decision of 14 February 1977 on the exporting of crude oil and petroleum products from one Member State to another in the event of supply difficulties, newest first. Choose one to see each change.
From legislation.gov.uk's record of changes, the official one: see it there.