Two things are needed for most successful vehicle sales or transfers: proof of sale and proof of ownership. How to fill out the Affidavit of Heirship for Motor Vehicle Transfer?1. Enter your full name and the name of the other party. All forms are printable and downloadable. AFFIDAVIT FOR TRANSFER OF MOTOR VEHICLE (New York State). Complete the Affidavit of Gift of Motor Vehicles form if the vehicle is a gift. The Sole Heir Affidavit form must be properly completed. Complete the Affidavit of Nontitled Vehicle form (VT025). Have a VIN verification completed. Fill out the transfer ownership section on the title.