Court of Justice 16 December 1981, 62 and 63/81 (Société anonyme de droit français Seco and Société anonyme de droit français Desquenne & Giral v Etablissement d'assurance contre la vieillesse et l'invalidité.)

OPINION OF MR ADVOCATE GENERAL VERLOREN VAN THEMAAT DELIVERED ON 16 DECEMBER 1981 ( 1 ) Mr President, Members of the Court, 1. The questions submitted and the factual background The Luxembourg Code des Assurances Sociales [Social Insurance Code] provides that all workers who work in Luxembourg are in principle to be compulsorily insured for the purpose of obtaining an old-age or invalidity