Complete the appropriate registration procedure before using/changing the vehicle.

Locally competent Kfz-Zulassungsbehörde.

Typically you need identification, registration or vehicle documents, an electronic insurance confirmation (eVB) and, depending on the procedure, further evidence such as the roadworthiness inspection or a SEPA mandate for vehicle tax.

Select the exact procedure and your location in the federal portal. New registration, keeper change, move, import and deregistration require different documents. For insurance, compare several offers neutrally by price and cover.