Reporting the repossession. You report gain or loss from a repossession on the same form you used to report the original sale.Forms 1099A and 1099C. A lender who ac- quires an interest in your property in a foreclo- sure or repossession should send you Form. If you reported the sale on Form 4797, use it to report the gain or loss on the repossession. The IRS has a worksheet to help as a template. Complete this form and bring it with the license plates, if any, to any Motor Vehicles office. This is what is known as a "repossession. A signed sales contract;. Spot and avoid scammy debt settlement or debt relief organizations — whether they're offering credit counseling, debt settlement, or any other service.