Changes made by Regulation (EEC) No 3664/81 on arrangements for imports into Denmark, the United Kingdom, Ireland and Benelux…
EU Regulation No 3664/1981
No changes made by Regulation (EEC) No 3664/81 on arrangements for imports into Denmark, the United Kingdom, Ireland and Benelux… are recorded.
From legislation.gov.uk's record of changes, the official one: see it there.