Changes to 80/1184/EEC: Council Decision of 18 December 1980 on the replacement of the European unit of account by the ECU to express the amounts of financial assistance under the Second ACP-EEC Convention and the previous conventions
EU Decision 1980/1184
No changes to 80/1184/EEC: Council Decision of 18 December 1980 on the replacement of the European unit of account by the ECU to express the amounts of financial assistance under the Second ACP-EEC Convention and the previous conventions are recorded.
From legislation.gov.uk's record of changes, the official one: see it there.