Changes to Regulation (EEC) No 1371/84 laying down detailed rules for the application of the additional levy referred to…
EU Regulation No 1371/1984
Made by Regulation (EEC) No 3331/87 amending for the 18th time Regulation (EEC) No 1371/84 laying down detailed rules…
From legislation.gov.uk's record of changes, the official one: see it there.