Frame and engine need to register

[omgitsemmanuel]

I know this question might sound wierd but do I need the stock frame and engine to register a car back into dmv system that isnt in there anymore. I have a 1961 apache that my dad use to own and it was given to me but it is not in the dmv system. I had a friend who they made him cut a piece out of the floor of his vehicle so he could show proof that it was the original frame, it was not a c10 though, and was wondering if i have to do that because i want to put a newer frame on mines.