Judgment of the Court (Third Chamber) 5 February 1991

In Case C-363/89, REFERENCE to the Court under Article 177 of the EEC Treaty by interlocutory order of the President of the Tribunal de première instance (Court of First Instance), Liège, for a preliminary ruling in the proceedings pending before that court between

THE COURT (Third Chamber), composed of: J. C. Moitinho de Almeida, President of the Chamber, F. Grévisse and M. Zuleeg, Judges, Advocate General: G. Tesauro Registrar: H. A. Rühi, Principal Administrator

after considering the observations submitted on behalf of: Danielle Roux, plaintiff in the main proceedings, by L. Misson, of the Liège Bar, the Commission of the European Communities, by É. Lasnet, Legal Adviser, acting as Agent,

having regard to the Report for the Hearing,

after hearing argument on behalf of the plaintiff, represented by Messrs Misson, Lucas and Dupont, of the Liège Bar, the defendant, represented by M. Rimaux, acting as Agent, and by the Commission, at the hearing on 2 October 1990,

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

gives the following

Judgment

The first question

The second question

The third question

The fourth question

Costs

1 Language of the case: French.