When I took my bike in last year to get classic plates, had to make appointment, show up on time, get in line, wheel bike into garage, napolian ordered me out of the room to wait outside, door closed?
Wondered if I'd need a lawyer, after 15 minutes the "inspection" was complete. Didn't start the engine, couldn't have checked anything mechanical or blinkers/horn.
Only thing I figure is he had an optical devise to git behind the fairing/cables to check ID plate rivets with the chassis stamping.
So to this day I don't know what goes on in there except they must be checking for stolen bikes/parts? Removing any ID or changing rivets could be a problem unless you've got a common sense DMV in booming ND.