On 29 December 1970, Pierre Werner, Luxembourg Minister of State, President of the Government and Finance Minister and chairman of the ad hoc group that drafted the plan by stages for an economic and monetary union, sends a personal letter to Willy Brandt, Chancellor of the Federal Republic of Germany (FRG), in which he expresses his concern at the fact that the Council has not yet taken a decision on the implementation of the first stage of the plan. He asks Willy Brandt to continue to support the establishment by stages of a European economic and monetary union. Pierre Werner sent similar letters to the Heads of Government of the other Member States.