Changes to Regulation (EEC) No 1570/70 of the Commission of 3 August 1970 establishing a system of standard average…
EU Regulation No 1570/1970
Made by Regulation (EEC) No 223/78 amending Regulation (EEC) No 1570/70 establishing a system of standard average…
From legislation.gov.uk's record of changes, the official one: see it there.