The Treaty concerning German-French co-operation was signed, together with a Joint Declaration, on 22 January 1963 at the Élysée Palace, the official residence of the President of the French Republic. The Joint Declaration is about a fundamental reorganisation of the mutual relationship.
Page 8 of the Treaty, German version. The Treaty was signed by the German chancelor Konrad Adenauer and the French president, Charles de Gaulle as well as by the French Primeminister Georges Pompidou and the Foreign Ministers Gerhard Schröder and Maurice Couve de Murville.