What is an "off-road vehicle"?

1. AAny private vehicle with front and rear drive that is noted in its licence as an off-road vehicle.
2. BA public vehicle with front and rear drive on which a standard body is fitted and that is noted in the vehicle licence as an off-road vehicle.
3. CA goods vehicle with front drive that is noted in the driving licence as an off-road vehicle.
4. DAn integral commercial vehicle that is noted in its licence as an off-road vehicle.

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