Changes to Regulation (EEC) No 2042/75 of the Commission of 25 July 1975 on special detailed rules for the application…
EU Regulation No 2042/1975
Made by Regulation (EEC) No 1505/77 amending for the 12th time Regulation (EEC) No 2042/75 on special detailed rules…
From legislation.gov.uk's record of changes, the official one: see it there.