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. If borrowers plan to use gift money, they must request a gift letter from their lenders.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. The purpose of this letter is to document that the money does not need to be repaid as well as the donor's name, contract information, and relationship to you. A "gift letter" if you're using gifted money for a downpayment; Credit explanation letter if there are derogatory marks on your credit file. Female Developers Navigate Discrimination in a Male-Dominated Field. Sarasota Herald-Tribune.