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 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. A gift letter is an important, formal, legal piece of documentation that can help explain that a (usually rather large) sum of money was gifted to you. 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 mortgage gift letter is a document that helps satisfy the requirement that a borrower's down payment funds come from legitimate sources. As noted earlier, your bank should provide a gift letter template for you to complete. It states how much you're getting and from whom. A gift letter is proof to the lender that the funds were gifted to a homebuyer for their home purchase, and not a loan or borrowed money. A lender will require a gift letter if you are using money that was given to you.