General Terms and Conditions of Business in english klick here, valid as of March 1, 2013
General Terms and Conditions of Business in english klick here, valid as of August 1, 2013
General Terms and Conditions of Business in english klick here, valid as of April 1, 2016
Allgemeine Geschäftsbedingungen, gültig ab 01.09.2010
Allgemeine Geschäftsbedingungen, gültig ab 01.03.2013