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. Filling out a gift letter in OP's case would actually be mortgage fraud. UpvoteA gift letter for a mortgage shows your lender that you don't need to repay gift money toward your down payment. This packet contains court forms and instructions to file temporary orders. Items in bold are forms that you will need to file with the Court. Paying for College With Financial Aid. 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. INSTRUCTIONS: Fill out this Declaration completely and provide accurate information. Make at least one copy. 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.