Changes made by Regulation (EEC) No 1785/79 on the temporary marketing during the 1979/80 milk year of reduced-price butter…
EU Regulation No 1785/1979
No changes made by Regulation (EEC) No 1785/79 on the temporary marketing during the 1979/80 milk year of reduced-price butter… are recorded.
From legislation.gov.uk's record of changes, the official one: see it there.