If you would like to check the validity of your VAT ID in advance, you can use the online verification tool on the European Commissions VIES web site (VAT Information Exchange System).
If a problem is preventing validation, this check will explain the problem and suggest a solution.
All information, including personal information, related to this request for exemption from VAT, including the VAT Identification Number, will be transferred to, stored in, and processed in accordance with the terms of the Vistaprint Privacy and Security Policy. Vistaprint reserves the right to request and perform additional verification regarding your VAT taxable status from you or government authorities as permitted by law. Such information will be processed in accordance with the terms of the VistaPrint Privacy and Security Policy.