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. Yes, all lenders will require a gift letter.Although you may have the funds, the lender needs to confirm that you won't have to repay the gift. The purpose of this letter is to document that the money does not need to be repaid as well as the donor's name, contract information, and relationship to you. 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. Keep in mind, the amount of the transfer must match what's stated in the gift letter. We will have to fill out form 709 for the first time this year. None of the TurboTax options have it? While it's possible that no one claims on it, it's best to prepare for any legal issues in the future.