We publish here the letter sent today Charles Michel, President of the EU Council, in view of the European Council of 21-22 March and co-signed by Domenec Ruiz Devesa MEP and President of the Union of European Federalists (UEF), Sandro Gozi chair of the Spinelli Group, Guy Verhofstadt President of the European Movement International (EMI) and Christell Savall President the Young European Federalists (JEF), together with a memorandum on the Treaty revision procedures.