Changes made by 80/272/EEC: Council Decision of 10 December 1979 concerning the conclusion of the Bilateral Agreements resulting from the 1973 to 1979 trade negotiations
EU Decision 1980/272
No changes made by 80/272/EEC: Council Decision of 10 December 1979 concerning the conclusion of the Bilateral Agreements resulting from the 1973 to 1979 trade negotiations are recorded.
From legislation.gov.uk's record of changes, the official one: see it there.