Chapter 1: General Registration Information. Visit the California DMV's website and download a bill of sale.The California bill of sale form helps individuals document data on a transaction involving the sale, trade, or gift of personal property. A California motor vehicle bill of sale is part of the vehicle registration process. Use a free template to write your own bill of sale. Edit, sign, and share bill sale trailer online. No need to install software, just go to DocHub, and sign up instantly and for free. Print and have the buyer and seller fill out the forms in their respective sections. Complete the Form: Fill out the bill of sale form accurately and legibly. Use a typewriter or print neatly in ink.