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.A short letter like this sample gift letter will cover all of the requirements your lender needs. A gift letter is a written statement confirming that the funds given to a borrower are indeed a gift and not expected to be repaid. Use these stepbystep instructions for accepting a cash downpayment gift on a home, including a readytouse mortgage gift letter template. The HomeReady Mortgage Plus can help potential homebuyers who can't afford a large down payment or who face unique circumstances. A mortgage gift letter is a simple but essential document that assures lenders the funds you received are a gift, with no repayment expected. How do I open an account?