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. All gifts must be paper-trailed and digitally documented with cancelled checks and bank statements.This guide explains how to document gift funds for a mortgage and meet lender requirements. It states how much you're getting and from whom. 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. This gift is to be applied toward the purchase of the property located at: (Property Address). 3). 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 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 This amount can be in the form of a gift if the gift is documented with a gift letter provided to the first mortgage lender.