This site is operated by CMS Hasche Sigle GmbH, which is registered with the local court of Charlottenburg under the number HRB 198306 B in the commercial register. The registered office is Lennéstraße 7, 10785 Berlin, Germany (telephone: +49 30 20360 0, fax: +49 30 20360 2000, e-mail: Managing Directors: Dr. Jürgen Frodermann, John Hammond, Dr. Hubertus Kolster. The sales tax identification number is DE 814719325.