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 most important document required is a gift letter. 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. To use gift funds, you must provide a gift letter proving the money is not a loan. The letter should state that the person giving you the money is not getting something of value in return, such as an ownership stake in the property. You need to specify in the document if you are getting a loan, property, asset, or anything else. Use our mortgage gift letter template and write yours. State the gift amount clearly.