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. Gift Letter For Mortgage Template.Your lender might give you a template to follow if you tell them you're using a gift for your down payment. A short letter like this sample gift letter will cover all of the requirements your lender needs. A gift letter for a mortgage is a written statement confirming that the gift money you receive from a family member or friend is a gift, not a loan. 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. Mortgage gift letters tell the lender that money for your loan came from a gift. Lenders require gift letters when necessary. A gift letter is a note from a donor to your lender regarding cash funds for your mortgage down payment. 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.