Just out of interest & as I am not a NT
Can you log onto the MOT system using just the VIN number ?
My take on things have mainly come from reading lots of posts over on the LCB forum.
Quite a few builders who had an MOT before the SVA were plauged each year for an MOT certificate before they could tax their car on year 2 & 3
I have spent many hours on both DVLA & VOSA websites & not found any fixed procedure. All in all very vauge to say the least