Complete this form and bring it with the license plates, if any, to any Motor Vehicles office. The following are guidelines to help you formulate a repossession policy for the credit union to follow.What "vehicles" are titled. Next, detail the debtor's information along with the vehicle's specifics. To fill out this form, you'll need to provide detailed information about the repossessed vehicle and follow specific steps to notify the appropriate parties. To obtain a Repossession title, the lienholder must submit the following documents to any County Treasurer (refer to the County Officials Listing) It may be possible to use a copy of the affidavit of repossession to register your car in Massachusetts if the original document has been lost. Affidavit of repossession, Registry of Motor Vehicles. Please note: These forms cannot be submitted online. These are to complete and print to send in to the address on the form.