The data will be used by us for providing the respective user account of our services. Data is stored in a central user account where it can be viewed, changed and updated by the user at any time there. For billing purposes, we also collect and process the payment data of the user after registration, for instance bank details provided by him or any other payment and invoice data. We use qualified payment providers for billing purposes and process payment data in the case of certain payment methods for the purpose of collecting the claims. This applies in particular if legal requirements or internationally agreed financial security standards such as PCI DSS (Payment Card Industry Data Security Standard) make this necessary. At the time of registration, the following additional data is collected:</p> <ul> <li>