nollskilt
Nollskilt is a Swedish term that literally translates to "zero sign" or "zero plate." It refers to a license plate that is issued to a vehicle that has been de-registered or taken out of traffic, typically because it is being stored, exported, or scrapped. These plates are not intended for use on public roads.
Vehicles fitted with nollskilt are exempt from road tax and traffic insurance requirements as they are not
The exact regulations and appearance of nollskilt can vary depending on the Swedish Transport Agency (Transportstyrelsen).