Opinion of Mr Advocate General Lenz delivered on15 November 1984

1 Translated from the German.

2 Judgment of 29. 11. 1978 in Case 83/78 Pigs Marketing Board v Redmond [1978] ECR 2347.

3 Judgment of 12. 2. 1974 in Case 152/73 Solgin v Deutsche Bundespost [1974 ] ECR 153.

4 Judgment of 10. 3. 1983 in Case 172/82 Fabricants Raffineurs d'Huile de Graissage v Inter-IIuiles [1983] ECR 555.