Opinion of Mr Advocate General Lenz delivered on 21 March 1985

1 Translated from the German.

2 Case 187/73 Odette Callemeyn v Belgian State [1974] ECR 553.

3 Judgment of 22 June 1972 in Case 1/72 Rita Frilli v Belgian State [1972] ECR 457; judgement of 5 May 1983 in Case 139/82 Paola Piscitello v Istituto nazionale della previdenza sociale (INPS) [1983] ECR 1427.

4 Case 40/76 Slavica v Kermaschek Bundesanstalt für Arbeit [1976] ECR 1669.

5 Case 261/83 Carmela Castelli v Office National des Pensions pour Travailleurs Salariés (ONPTS) [1984] ECR 3199.