Regulation (EEC) No 2727/71 of the Council of 20 December 1971 amending, as regards tariff nomenclature, Regulation No 23 on the progressive establishment of a common organisation of the market in fruit and vegetables and Regulations No 136/66/EEC, No 120/67/EEC, No 121/67/EEC, No 123/67/EEC, No 1009/67/EEC, (EEC) No 805/68, (EEC) No 2142/70 and (EEC) No 827/68, on the common organisation of the markets respectively in oils and fats, cereals, pigmeat, poultrymeat, sugar, beef and veal, fishery products and certain products listed in Annex II to the Treaty