I have to agree, my recent ferret acquisition had been on SORN for several years. I insured it, and the next day, before going to work on it with view to driving it home I went online to see how far I would get.
entered reg and v5 number, said it would check for valid MOT, hit "next" thinking it would fail...kaboom..." Thank you for taxing your vehicle, tax will run until Xx June 2016"