Changes made by Regulation (EEC) No 3509/73 of the Council of 18 December 1973 on the opening of tariff preferences in the…
EU Regulation No 3509/1973
No changes made by Regulation (EEC) No 3509/73 of the Council of 18 December 1973 on the opening of tariff preferences in the… are recorded.
From legislation.gov.uk's record of changes, the official one: see it there.