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. A gift letter for a mortgage shows your lender that you don't need to repay gift money toward your down payment.A mortgage gift letter is a document that helps satisfy the requirement that a borrower's down payment funds come from legitimate sources. A gift letter is a note from a donor to your lender regarding cash funds for your mortgage down payment. If you use gifted funds toward your home purchase, your mortgage lender will need a gift letter to explain that the money is not a loan. A mortgage gift letter states that you received money as a genuine gift to use toward a down payment, rather than a loan. 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. According to mortgage lender Fannie Mae, acceptable donors include close relatives and your spouse, fiancé or domestic partner. Livelsberger served in the Army since 2006 and deployed twice to Afghanistan. "This was not a terrorist attack, it was a wake up call.