Opinion of Mr Advocate General Lenz delivered on 3 May 1990

1 Original language: German.

2 Judgment in Case 8/74 Procureur du Roi v Dassonville [1974] ECR 837.

3 Judgment in Case 75/81 Blagen v Belgium [1982] ECR 1211 and in Case C-69/88 Krantz GmbH v Ontvanger der directe Belastingen von Kerkrade and the Netherlands [1990] ECR I-583.

4 Judgment in Case 155/80, Sergius Oebel[1981] ECR 1993.

5 Judgment in Case 20/87 Ministere publici Cauchará [1987] ECR 4879

6 Judgment in Case 145/88 Torfaen Borough Council v B & Q PLC [1989] ECR 3851

7 Judgments in Case 152/78 Commission v French Republic [1980] ECR 2299 and in Case C-362/88 GS-INNO-BM [1990] ECR I-667.

8 7 Judgment in Case 120/78 REWE-Zentral v Bundesmonopolverwaltung für Branntwein [1979] ECR 649.

9 Judgment in Case 16/83 Prantl[1984] ECR 1299.

10 Judgment in Case 302/86 Commission v Denmark [1988] ECR 4607.

11 Judgment in Case 34/79 Henn and Darby [1979] ECR 3795.

12 Judgment in Case 121/85 Conegate Ltd v HM Customs and Excise [1986] ECR 1007.

13 Judgment in Case 30/77 R. v Bouchereau [1977] ECR 1999