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. It states how much you're getting and from whom.The letter should include the donor's name, relationship to the buyer, and the exact amount given. Here's what your gift letter should include: The donor's name, address and phone number. The donor's relationship to the client. A gift letter is a note from a donor to your lender regarding cash funds for your mortgage down payment. A gift letter is a document that certifies the funds you're receiving for your down payment are a gift, not a loan. Enter your zip code to see attorneys available in your area. And, the letter certifies that the money does not need to be repaid which is a must for down payment gifts. Your worker can help you complete this application during the interview if you did not fill out all sections or if you need to make changes.