Changes made by Commission Regulation (EEC) No 2161/83 of 29 July 1983 amending for the second time Regulation (EEC) No 3509/82 fixing the standard values to be used in calculating the financial compensation and the advance pertaining thereto in respect of fishery products withdrawn from the market during the period 1 January to 31 December 1983: Commission Regulation (EEC) No 3509/82 of 23 December 1982 fixing the standard values to be used in calculating the financial compensation and the advance pertaining thereto in respect of fishery products withdrawn from the market during the period 1 January to 31 December 1983