You need an eVB number (electronic insurance confirmation number, eVB, also known as VBÜ) to register your vehicle with the vehicle registration office in Germany. It consists of seven characters, each represented by numbers or uppercase letters.
This number is proof that your vehicle is insured with liability insurance, which is a legal requirement.
After you have successfully applied for vehicle insurance, the insurer will provide you with an eVB number. Getting an eVB number is free and it’s usually valid for 6 months.