To pay by bank transfer/invoice, choose "offline/manual payment".
If additional details, like a purchase order number, are required on the invoice, please click on Add a note above. You can add a separate billing address on the next page.
Customers in Europe must provide a valid EU-VAT ID (IVA, TVA, MOMS) to participate in the reverse charge sales tax. Art 44 & 196 EC Dir. 2006/112.