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. The person who gave you the money must write and sign the gift letter as well as provide their personal information.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. A mortgage gift letter is a document that helps satisfy the requirement that a borrower's down payment funds come from legitimate sources. 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. A gift letter is a note from a donor to your lender regarding cash funds for your mortgage down payment. Learn about gift letter requirements It is less important for the recipient to sign the letter, as it is primarily focused on confirming that the donor does not expect to receive their money back. The letter needs to indicate that the money is a gift and not actually a loan you must pay back. As noted earlier, your bank should provide a gift letter template for you to complete.