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. A mortgage gift letter is a document that helps satisfy the requirement that a borrower's down payment funds come from legitimate sources. We'll also show you how to write a gift letter with a gift letter template so you can help your donor prepare for underwriting. Discover how to effectively use gift money for a down payment on a home. Learn valuable tips and considerations for leveraging gift funds. In the letter, the donors must specify that the money is a gift. In the letter, the donors must specify that the money is a gift. The gift donor may not be a person or entity with an interest in the sale of the property such as the seller, real estate agent, builder, or developer.