Changes made by Regulation No 158/67/EEC of the Commission of 23 June 1967 determining the coefficients of equivalence between the qualities of cereals offered on the world market and the standard quality for which the threshold price is fixed
EU Regulation No 158/1967
No changes made by Regulation No 158/67/EEC of the Commission of 23 June 1967 determining the coefficients of equivalence between the qualities of cereals offered on the world market and the standard quality for which the threshold price is fixed are recorded.
From legislation.gov.uk's record of changes, the official one: see it there.