<P> Shortly after the end of the First World War, in 1920, the commission's headquarters was moved to Strasbourg as a part of the Treaty of Versailles . In 2003 the European Commission asked for the permission of the Council of Ministers to negotiate the adhesion of the European Union to the regulations of the CCNR and the Commission of the Danube, especially given the prospective enlargement of the EU . </P> <P> Individual German states were members before World War I . The United States was temporarily a member immediately after World War II, while Germany was under Allied occupation, until 1961 . Italy and the United Kingdom were also members following the Treaty of Versailles, though Italy renounced its position in 1935 and the UK renounced in 1993 . </P>

Central commission for the navigation of the rhine