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 my understanding, giving a gift to parents after they supply a gift and gift letter is fraud regardless of the funds' origins.A gift letter for a mortgage shows your lender that you don't need to repay gift money toward your down payment. A gift letter is an important, formal, legal piece of documentation that can help explain that a (usually rather large) sum of money was gifted to you. 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. Write a letter asking for some money from my parents. Make it sound like it's from a young person. A mortgage gift letter is a document that helps satisfy the requirement that a borrower's down payment funds come from legitimate sources. This guide explains how to document gift funds for a mortgage and meet lender requirements. "All we have to do is verify that they have the funds to give, and we get a gift letter," says Greg Cook, a mortgage consultant in Southern California.