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By opening an intervention ticket: I agree to the communication and use of my personal data for the proper performance of the agreed services as well as for the administrative and accounting management of my file.

All personal data is processed by Denis Chenu within the framework of the agreed services, more details on https://www.sondages.pro/legal-notice.html.

Please use this form only if you need an invoice.

Otherwise, please use liberapay or opencollective.

Please enter your billing details and the amount of your donation

Please enter amount in € euro and give us all administrative details (VAT for example).