Agreement for the establishment of a European Payments Union of 19th September, 1950 : as amended by Supplementary Protocols No. 2,3,4 and 5 and by the Decisions taken by the Council of the Organisation for European Economic Co-operation up to 30th June, 1954 = Accord sur l'Établissement d'une Union Européenne de paiements du 19 septembre 1950 amendé par ...