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. From obtaining gift funds to filling out a gift letter, everything you need to know about mortgage gifts for a home purchase in Florida.From my understanding, giving a gift to parents after they supply a gift and gift letter is fraud regardless of the funds' origins. So what's the gift letter? All gifts must be paper-trailed and digitally documented with cancelled checks and bank statements. A gift letter for a mortgage shows your lender that you don't need to repay gift money toward your down payment. The Child Support Program has a variety of options to assist parents. This includes providing job placement and training and other community resources.