Changes to Regulation (EEC) No 1391/78 laying down amended rules for the application of the system of premiums for the…
EU Regulation No 1391/1978
Made by Regulation (EEC) No 1799/79 amending Regulations (EEC) No 1391/78 and (EEC) No 2962/78 concerning the rules…
From legislation.gov.uk's record of changes, the official one: see it there.