Important information

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Duty-free diesel

What you need to do

Contact the Tax Administration immediately and report the accidental refuelling.

We need the following information:

  • the registration number of the vehicle
  • the time of the accidental refuelling with duty-free diesel
  • the number of litres of accidentally refuelled duty-free diesel

When you report this, the following happens:

The Tax Administration will charge duties on the number of litres filled. The rate for road usage tax is NOK 2.69 per litre as at 1 January 2025.

The person reporting the accidental refuelling of duty-free diesel will receive a confirmation of the report that must be kept in the car. When inspected 21 days after the report, the fuel tank must not contain more than 3 percent marked (duty-free) diesel.

On the other hand, if you have filled taxable diesel in a tractor, for example, a refund of the tax is unfortunately not possible.

When you do not report, the following happens:

If you do not report the accidental refuelling to the Tax Administration and it is discovered during an audit, you must pay a fine. The fine is NOK 20,000 for passenger cars. This also applies to other vehicles with a permitted total weight of 3,500 kg. Heavier motor vehicles get a larger fine.

Both the owner and the one authorised to use the motor vehicle are responsible for paying the fine, regardless of who actually refuelled the duty-free diesel.