Invoice date will be the date of first access to the "Tender" section. This date is also the start date of the runtime. You may printout a copy of your invoice after online payment.

A cancellation has to be made in writing, not later than 3 month(s) before expiry of the runtime, and is to be sent by Email to service@glassglobal.com or to fax number +49 (0)211 280733-22. Shouldn´t we receive any information or cancellation from your side, the runtime of the offered service automatically prolongs by further 12 months.