Learn about bills of sale in California for animals, vehicles, firearms, and more. How to fill out the California Vehicle Bill of Sale Document?A bill of sale is a legal document that outlines the purchase of property between a buyer and seller. It commonly includes both parties' information. Free California "As-Is" bill of sale template for vehicle sales without warranties. Printable and easy to use. Understanding the California Resale Certificate, officially recognized as CDTFA-230 REV. So then what I should do is, fill out that form and have it gifted to me. Then, when I sell it, sell it for low on the bill of sale? Select form CA CDTFA 401 E if you're registered to collect consumer use tax only.