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. A gift letter for a mortgage shows your lender that you don't need to repay gift money toward your down payment.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. Pin down the specifics of the property in question. Clearly state the property's address, ensuring there's no ambiguity about where the gift funds are intended. A mortgage gift letter is a document that helps satisfy the requirement that a borrower's down payment funds come from legitimate sources. A mortgage gift letter is a simple but essential document that assures lenders the funds you received are a gift, with no repayment expected. A gift letter is a note from a donor to your lender regarding cash funds for your mortgage down payment. When you use gift funds, you have to provide a gift letter that proves the funds are not a loan to be repaid. If you use gifted funds toward your home purchase, your mortgage lender will need a gift letter to explain that the money is not a loan.