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. 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. 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. The goal of a gift letter is to provide the lender with proof of where the funds came from. A gift letter for a mortgage shows your lender that you don't need to repay gift money toward your down payment. Use our mortgage gift letter 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. To use gift funds, you must provide a gift letter proving the money is not a loan. The most important document required is a gift letter.