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. A Certificate of Repossession (REG 119) form.Repossession and transfer fees, if the repossessor is not the registered owner. This form serves as a legal declaration of vehicle repossession in California. Who needs to fill out this form? In person, complete Form MV-18J Application of Voluntary Registration Cancellation and take it to the County Tag Office where you live. How do I fill this out? The court found that a lender who repossesses a vehicle before a borrower files for bankruptcy is not in violation of the "exercise control" provision. The buyer must complete an Application for Title or Registration (REG 343) form. The information contained herein is true and correct.