The paper looks into the participation of France in the European Convention 2002- 2003 and the Intergovernmental conference of 2003-2004. It examines how French proposals have been taken up into the treaty signed in Rome on 29 October 2004. It also examines briefly the debate which started in France in the perspective of ratifying the Constitution for Europe, as well as the decision made by the Constitutional Council on November 19th, 2004 – Summary AFRI-2005