I certify that I, or the firm, company, or corporation I am authorized to represent, am the legal owner within the meaning of California Vehicle Code. Under California law, the lender can repossess your vehicle without any prior notice to you so long as you're as little as one day late on payment.West Sacramento, CA 95798-9002. Please provide copies of all documents relating to your complaint with your completed complaint form. How do I fill this out? Repossession forms serve as the bridge between financial institutions, borrowers, and the collateral they've financed. Sit down and document everything that was left in the car. Who needs to fill out this form? Lenders, auction houses, and individuals involved in vehicle repossession must complete this form. Westlake Customer Care. ×.