Opinion of Mr Advocate General Van Gerven delivered on 24 January 1989. # Knoeckel, Schmidt & Cie, Papierfabriken AG v Hauptzollamt Landau/Pfalz. # Reference for a preliminary ruling: Finanzgericht Rheinland-Pfalz - Germany. # Production refunds in the cereals and rice sector - Starch obtained partly from maize and partly from sugar-based products. # Case 13/88.

Opinion of the Advocate-General

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Mr Advocate General Walter Van Gerven delivered his Opinion on 24 January 1989 . (*) He concluded that the Court should rule as follows :

Article 4(3 ) of Commission Regulation ( EEC ) No 2169/86 of 10 July 1986 can validly make the grant of a refund conditional on the presentation of a declaration stating that the starch to be used has not been produced from a raw material other than maize, wheat, rice or potatoes .

(*) Original language : Dutch .