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. You can use gifted funds to make a down payment, but your mortgage lender will want to know some details before they allow you to use it.A short letter like this sample gift letter will cover all of the requirements your lender needs. 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. 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. The letter should state that the gift is intended to help the borrower make a down payment and that the donor has no expectation of repayment. While the gift letter is the main document, your client may also need to provide additional documentation. You need to specify in the document if you are getting a loan, property, asset, or anything else. If their gift is too large, they may have to fill out a gift tax form when filing returns. A down payment gift letter - If your lender has a template letter for this purpose, you will need to send it to the funds' donor.