You have a postal account: Complete and send us the “Direct Debit” form , by which you authorise us to debit directly your postal account for the various amounts due to us. You have a bank account: Complete our online form and we will send you an LSV form. Please return it to us duly certified by your bank. We will not be able to change the method of collection of future invoices until we have received the authorisation from your bank. In the meantime, you may still receive invoices. In this case, please pay them as before, using the payment slips sent previously. Learn more about direct debit