President of Germany Roman Herzog, Johannes Rau, Christian Wulff, Joachim Gauck and Frank-Walter Steinmeier (as yet) have signed and promulgated all bills during their respective terms. The president represents Germany in the world (Art. 59 Basic Law), undertakes foreign visits and receives foreign dignitaries. They also conclude treaties with foreign nations (which do not come into effect until affirmed by the Bundestag), accredit German diplomats and receive the letters of accreditation of foreign diplomats. According to Article 60 (2) of the German Constitution, the president has the power to pardon. This means the president "has the authority to revoke or commute penal or
President of Germany Its top official, who takes precedence over all other German state secretaries, is the Head of the Office of the President ("Chef des Bundespräsidialamts"). The office and its staff advise the president, informs them of all developments in domestic and foreign affairs and carries out the instructions of the president or forwards these to the corresponding ministry or authority. The president's car is usually black, made in Germany and has the numberplate "0 – 1" with the presidential standard on the right wing of the car. The president also uses a VIP helicopter operated by the Federal Police and VIP