You will need the following paperwork for Changing Vehicle Ownership: California Certificate of Title (Pink Slip) or application for duplicate or paperless title REG 227 if the title is lost. Signatures from seller(s) and Lienholder(s) if there are any on the Certificate of Title. Signature(s) of the buyers on the Certificate of Title. Odometer reading for vehicles less than 10 years old, a smog certificate, transfer fee and use tax and various other government fees. We also do family transfers.