Changes to Regulation (EEC) No 2773/75 of the Council of 29 October 1975 laying down rules for calculating the levy and…
EU Regulation No 2773/1975
Made by Regulation (EEC) No 3232/86 amending Regulation (EEC) No 2773/75 laying down rules for calculating the levy…
From legislation.gov.uk's record of changes, the official one: see it there.