It depends a lot on the age of the vehicle. For something this mature it's pretty simple, you have to change the turn signals on the rear to flash orange and not red, fill in a load of paperwork, our version of the DMV turn up to inspect the vehicle, mostly just to confirm that you're registering what you say you are. If the car has been significantly modified then it gets really complicated. My turn signals are staying red, I'll deal with the fallout when it happens.
That's actually not far from me at all. Hopefully I'll see it!