[Morgester]

There are other issues at play. The key is that the vehicle is not a 1965 no matter what the documentation from the other state says. As such, if you choose to register it in a new jurisdiction (California) we have the choice to treat it as we would treat any other vehicle in our state.

Each state has its own unique rules (including taxes, guns, fireworks, prostitution, drugs, and kit cars). A sister state does not have to honor them if you choose to take up residence. That is why they are called laboratories of democracy.