Judgment of the Court 11 July 1991

In Joined Cases C-87/90, C-88/90 and C-89/90, REFERENCE to the Court under Article 177 of the EEC Treaty by the Raad van Beroep (Social Security Court), 's-Hertogenbosch (Netherlands), for a preliminary ruling in the proceedings pending before that court between

THE COURT, composed of: O. Due, President, G. C. Rodriguez Iglesias and M. Diez de Velasco (Presidents of Chambers), Sir Gordon Slynn, C. N. Kakouris, R. Joliét and F. A. Schockweiler, Judges, Advocate General: M. Darmon, Registrar: J. A. Pompe, Deputy Registrar,

after considering the written observations submitted on behalf of: the Sociale Verzekeringsbank, by E. H. Pijnacker Hordijk and M. Droogleever Fortuyn, of the Bars of Amsterdam and The Hague, the Netherlands Government, by B. R. Bot, Secretary-General at the Ministry of Foreign Affairs, acting as Agent, the Commission of the European Communities, by René Barents and Karen Banks, members of its Legal Service, acting as Agents,

having regard to the Report for the Hearing,

after hearing the oral observations of the Sociale Verzekeringsbank, the Netherlands Government and the Commission, at the hearing on 17 April 1991,

after hearing the Opinion of the Advocate General at the sitting on 29 May 1991,

gives the following

Judgment

Case C-87/90

Case C-88/90

Case C-89/90

The questions submitted in Case C-88/90

The question submitted in Case C-89/90

The question submitted in Case C-87/90

Costs

1 Language of the case: Dutch.