Commission Regulation (EC) No 478/96 of 18 March 1996 amending Regulation (EC) No 3238/94 providing for the determination and the administration of the variable component for certain goods originating in Poland, Hungary, Romania, Bulgaria, the Czech Republic, the Slovak Republic, Lithuania, Latvia and Estonia resulting from the processing of certain agricultural products referred to in the Annexes to Council Regulation (EC) No 3448/93