Order online a Audi certificate of conformity to register your vehicle with DVLA.COCS issues a certificate of conformity European Audi, also called COC Audi, valid in all European countries. The COC will also be accepted in UK with the DVLA. Only the owner of the Audi vehicle can perform certificate of conformity of the application. The necessary supporting documents are available for download on our website www.certificateconformity.co.uk after being scanned by you, via our application form.Certificates of conformity Audi (Audi COC) are charged. A settlement secured credit card will be propos..