Judgment of the Court (Fifth Chamber) 18 June 1991

In Case C-369/89, REFERENCE to the Court under Article 177 of the EEC Treaty by the Rechtbank van Koophandel (Commercial Court), Louvain (Belgium), for a preliminary ruling in the proceedings pending before that court between

THE COURT (Fifth Chamber), composed of: J. C. Moitinho de Almeida, President of the Chamber, G. C. Rodríguez Iglesias, Sir Gordon Slynn, F. Grévisse and M. Zuleeg, Judges, Advocate General: G. Tesauro, Registrar: H. A. Rühl, Principal Administrator,

after considering the written observations submitted on behalf of: the plaintiffs in the main action, by Guy Horsmans and Alois Puts, of the Brussels Bar, the Commission of the European Communities, by René Barents, a member of its Legal Service, acting as Agent,

having regard to the Report for the Hearing,

after hearing the oral observations of the plaintiffs in the main action, of Peeters BVBA, represented by Joelle Danckaerts, of the Louvain Bar, and of the Commission, at the hearing on 11 December 1990,

after hearing the Opinion of the Advocate General at the sitting on the same day,

gives the following

Judgment

Jurisdiction

The preliminary question

Costs

1 Language of the case: Dutch.