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. Download the following gift letter template.Then, complete, e-sign, and send it to the lender. Mortgage gift letters tell the lender that money for your loan came from a gift. Lenders require gift letters when necessary. A mortgage gift letter is a document that helps satisfy the requirement that a borrower's down payment funds come from legitimate sources. A short letter like this sample gift letter will cover all of the requirements your lender needs. Any gift funds, or gifts of equity, must be reflected on the Uniform Loan Application Form (Form 1003). 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.