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. A gift letter is a note from a donor to your lender regarding cash funds for your mortgage down payment.A gift letter for a mortgage shows your lender that you don't need to repay gift money toward your down payment. A gift letter is a piece of legal, written correspondence explicitly stating that money received isn't expected to be repaid. Complete each section of the Beneficiary Account Setup and Withdrawal Form. 2. Have the plan sponsor sign section 9 of the form. Second, the reason your bank is asking you to provide a gift letter Is that the funds must be verified. You will need to enter the amount of your recommended grant and your DAF account number on the letter before mailing. Tell the court about the child or children who need a guardian. Ask employees whose withholding allowances will be different in 2020 to fill out a new Form W4.