- General terms and conditions KL (Stand: 19 december 2017) (2.39 MB, PDF)
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General terms and conditions KL (Status: 18 July 2016)
General terms and conditions KL (Status: 30 June 2015)
General terms and conditions KL (Status: 24 June 2014)
General terms and conditions KL (Status: 1 March 2014)