You will need the reg 227 if no title is available. The registered owner (her) will need to fill out sections 1,3 and 4.You ask the California DMV. Things like titles and bills of sale are normally required to prove legal ownership. Transfer, Replace, or Change Title To prove vehicle ownership, it's important to have a valid, up-to-date, and accurate Certificate of Title. Complete the new owner information on the back of the certificate and sign it. Bill(s) of sale, if needed to establish a complete chain of ownership. A bill of sale does not serve as proof of ownership. Only a title has that legal authority. Visit the California DMV's website and download a bill of sale.