Opinion of Mr Advocate General VerLoren van Themaat delivered on 30 june 1983

1 Translated from the Dutch.

2 Case 34/69, Duffy [1969] ECR 597; Case 184/73, Kaufmann [1974] ECR 517; Case 75/76, Kaucie and Kaucie, [1977] ECR 495; Case 22/77, Mura, and Case 37/77, Greco [1977] ECR 1699 and 1711; Case 98/77, Schaap [1978] ECR 707; Case 105/77, Boerboom-Kersjes, [1978] ECR 717; Case 26/78, Viola [1978] ECR 1771; Case 181/78, Brouwer-Kaune [1979] ECR 2111; Case 4/80, d'Amico [1980] ECR 2951, and Case 79/81, Aurini [1982] ECR 1063.