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. 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. Clearly state the property's address, ensuring there's no ambiguity about where the gift funds are intended. All gifts must be paper-trailed and digitally documented with cancelled checks and bank statements. Download a gift letter for a mortgage. How Do I Write a Gift Letter? A mortgage gift letter is a document that helps satisfy the requirement that a borrower's down payment funds come from legitimate sources. By completing these steps, both the sellers and buyers can successfully navigate the gift of equity process in Florida. Mortgage Gift letter is what the donor of the gift writes to the lender stating that he has offered a gift of money to the home buyer.