It is non endorsable ,just carries a fine. However you may receive a prohibition order ( has happened ) which requires a 4 wheel lift recovery from that spot.
It also depends how much of the rest of the car matches up to C& U etc as to whether it's worth the risk in your opinion.
Widewhites, there was a bit shortage of cardboars boxes around the site that year , we had to nail some stuff down ( I was still on the Committee of Wheelers back then ) .
