This guide explains how to document gift funds for a mortgage and meet lender requirements. What should you include in a gift letter?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. 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, this is normal. We bought our first house just before we got married. A mortgage gift letter is a document that helps satisfy the requirement that a borrower's down payment funds come from legitimate sources. Any gift funds, or gifts of equity, must be reflected on the Uniform Loan Application Form (Form 1003). 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.