Changes made by Regulation (EEC) No 1311/73 of the Commission of 16 May 1973 relating to a provisional list of quality wines…
EU Regulation No 1311/1973
No changes made by Regulation (EEC) No 1311/73 of the Commission of 16 May 1973 relating to a provisional list of quality wines… are recorded.
From legislation.gov.uk's record of changes, the official one: see it there.