In einem Artikel vom 16. August 1947 analysiert die Luxemburger Tageszeitung Luxemburger Wort die Vorschläge Frankreichs für die Schaffung einer europäischen Zollunion zur Lösung der wirtschaftlichen Probleme in Europa.
On 23 August 1947, the French weekly publication Une semaine dans le monde publishes an article by René Courtin, General Delegate of the French Council for a United Europe, in which he considers the issues surrounding the proposed European customs union and outlines the numerous difficulties involved in such an undertaking.
On 12 September 1947, Austria, Belgium, Denmark, France, Greece, Iceland, Ireland, Italy, Luxembourg, the Netherlands, Portugal, Turkey and the United Kingdom form a study group on customs union in Paris in order to study the possibilities of ensuring a healthy and stable economy for Europe in the light of the development of world trade.
In March 1948, the Study Group for Customs Union, established in Paris in September 1947, publishes its first report on the possibilities and the implications of the establishment of a customs union in Europe.
On 26 November 1949, Luxembourg cartoonist Simon illustrates the proliferation of plans for a customs union in Western Europe, particularly focusing on the plan for an economic association known as Fritalux concerning Belgium, France, Italy, Luxembourg and the Netherlands.
„… Mit wechselndem Erfolg. Die europäische Integration – Benefritarupogrieslavenganialux.“ Am 3. Dezember 1949 betrachtet der niederländische Karikaturist Opland mit Ironie die wachsende Zahl an Zollunions-Vorhaben in Westeuropa.
On 5 December 1949, La Gazette de Lausanne considers the origins of the economic association project known as Fritalux involving Belgium, France, Italy, Luxembourg and the Netherlands, and speculates on the possibility of including West Germany in the plan.