Try the British Motors Heritage Trust homepage at:
They have info there.
> Funny you should ask.....I have the form in hand as I am about to
> send off for production records on my "B".
> Send a note to: Heritage Motor Centre
> Banbury Road, Gaydon, Warwickshire
> England CV35 OBJ
> They will send you a form to fill out for each vehicle.
> Cost is $40 US per.
> Good luck,