In March 1956, André Renard, Deputy General Secretary of the Belgian General Federation of Labour (FGTB) and Chairman of the Consultative Committee of the European Coal and Steel Community (ECSC), publishes an article in the Brussels journal Synthèses in which he criticises the working methods of the Spaak Committee and emphasises the need for the trade unions in the Six to be closely involved in the European revival process and the establishment of a common market.