Changes made by Regulation (EEC) No 2311/71 of the Council of 29 October 1971 on the subsidy for olive oil
EU Regulation No 2311/1971
No changes made by Regulation (EEC) No 2311/71 of the Council of 29 October 1971 on the subsidy for olive oil are recorded.
From legislation.gov.uk's record of changes, the official one: see it there.