If it was imported in 2012 it probably wont be on the nova database, you probably have import form 389 which means it has to be re-registered on the nova data base, before you go ahead and try to register,i have heard it is as easy as just sending off form 389 with a covering letter, i hope it is that easy as i have 3 to do, then you have the mot insure and register with dvla
pete