Judgment of the Court (Sixth Chamber) 13 July 1989

In Case 171/88 REFERENCE to the Court under Article 177 of the EEC Treaty by the Arbeitsgericht (Labour Court) Oldenburg for a preliminary ruling in the proceedings pending before that court between

THE COURT (Sixth Chamber) composed of: T. Koopmans, President of Chamber, T. F. O'Higgins, G. F. Mancini, C. N. Kakouris and F. A. Schockweiler, Judges, Advocate General: M. Darmon Registrar: J. A. Pompe, Deputy Registrar

after considering the observations submitted on behalf of Mrs Ingrid Rinner-Kühn, the plaintiff in the main proceedings, by U. Heiser-Jesky, Legal Clerk to the German Federation of Trade Unions, the Danish Government, in the only written procedure, by K. Wermuth, Legal Adviser, acting as Agent, the Commission of the European Communities, by its Legal Adviser, J. Grunwald, acting as Agent,

having regard to the Report for the Hearing and further to the hearing on 2 March 1989,

after hearing the Opinion of the Advocate General delivered at the sitting on 19 April 1989,

gives the following

Judgment

Costs

1 Language of the case: German.