Changes made by Commission Regulation (EEC) No 3490/80 of 23 December 1980 on the maintenance of the withdrawal prices, reference prices and standard values to be used in calculating financial compensation in the fishery products sector: Commission Regulation (EEC) No 3051/79 of 21 December 1979 fixing, for the 1980 fishing year, withdrawal prices for the fishery products listed in Annex I (A) and (C) to Regulation (EEC) No 100/76 and for certain products landed in areas very distant from the main areas of consumption in the Community