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. Today's Date: Medi-Cal Access Program.A trust deed is always used together with a promissory note (also called "prom note") that sets out the amount and terms of the loan. A gift letter is a note from a donor to your lender regarding cash funds for your mortgage down payment. A short letter like this sample gift letter will cover all of the requirements your lender needs. Use these stepbystep instructions for accepting a cash downpayment gift on a home, including a readytouse mortgage gift letter template.