Affidavit of Motor Vehicle Gift Transfer. The gift tax is the responsibility of the eligible person receiving the motor vehicle.Edit, sign, and share vehicle gift letter online. No need to install software, just go to DocHub, and sign up instantly and for free. 1. Gather required vehicle information including the VIN. Signed Title: The donor must provide a properly signed vehicle title indicating the transfer of ownership. How to fill out the Affidavit of Motor Vehicle Gift Transfer Form 14-317?