Court of Justice 7 May 1981, 116, 117, 119, 120 and 121/80 (Rijksdienst voor Werknemerspensioenen v Giorgio Celestre and others; Nationaal Pensioenfonds voor Mijnwerkers v Jozef Strehl.)

OPINION OF ADVOCATE GENERAL SIR GORDON SLYNN DELIVERED ON 7 MAY 1981 My Lords, These cases, which the Court ordered should be joined, were referred on 22 April 1980 by the Arbeidshof of Antwerp (Hasselt Division) for a preliminary ruling in these terms — “for the interpretation of Article 51 of the EEC Treaty and, in so far as necessary, of other articles of the Treaty and provisions of secondary