The letter must explain who is gifting the money, where the donor's funds are coming from and the relationship between the donor and the recipient. Your parents will need to file the proper forms with IRS declaring the gift.So no potential consequences of gift tax. A mortgage gift letter is a statement that assures your lender the money that came into your account is a gift and not a loan. Here's a sample gift letter you can use to prove that the money is truly meant as an outright gift, with no expectation of repayment. What is included in a gift letter? A gift letter is a note from a donor to your lender regarding cash funds for your mortgage down payment. A signed gift letter from her parents. A short letter like this sample gift letter will cover all of the requirements your lender needs. Because of this great gift, my parents do not have to carry me inside the house.