The IRS taxes gifts made over a certain dollar amount. The gift tax is the responsibility of the eligible person receiving the motor vehicle.Learn why lenders may require a gift letter and the IRS may require a gift tax return when family or friends offer help with a down payment on a home. Affidavit of Motor Vehicle Gift Transfer. A gift letter should include the name and contact information of the donor and a statement that no repayment is expected. It states how much you're getting and from whom. Gifts given for real estate purchases typically do not result in any taxes. This applies to both the giver and receiver. Will this be taxed for either of us? Can she legally request that we fill out a promissory note to pay her back the money?