Agreement for the establishment of a European Payments Union of 19th September, 1950 : as amended by Supplementary Protocols No. 2 and 3 and by the Decisions taken by the Council of the Organisation for European Economic Co-operation up to 30th Jun e, 1952 = Accord sur l'Établissement d'une Union Européenne de paiements du 19 septembre 1950 amendé par ...