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.A short letter like this sample gift letter will cover all of the requirements your lender needs. Edit, sign, and share gift letter for mortgage online. No need to install software, just go to DocHub, and sign up instantly and for free. If you go through a bank they will provide the gift letter form to you to get completed. If someone provides a handwritten letter it is filed away. Mortgage gift letters tell the lender that money for your loan came from a gift. Lenders require gift letters when necessary. As noted earlier, your bank should provide a gift letter template for you to complete.