Court of Justice 19 March 1987, 94/86 (Maizena Gesellschaft mbH and others v Hauptzollamt Hamburg-Jonas.)

Opinion of the Advocate-General Opinion of the Advocate-General ++++ Mr President, Members of the Court, A - Facts 1 . The proceedings for a preliminary ruling on which I give my Opinion today are centred on the question how production refunds are to be deducted from export refunds if the export refunds were fixed in advance and the amount of the production refunds was changed in the period