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. 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.A short letter like this sample gift letter will cover all of the requirements your lender needs. Here's a sample gift letter you can use to prove that the money is truly meant as an outright gift, with no expectation of repayment. A gift letter for a mortgage is a written statement confirming that the gift money you receive from a family member or friend is a gift, not a loan. This gift is to be applied toward the purchase of the property located at: (Property Address). 3). Documentary stamp tax is an excise tax imposed on certain documents executed, delivered, or recorded in Florida. Required Gift Letter in the compliance file. For estates required to file an estate tax return, evidence of payment in the form of the federal estate tax closing letter should be filed with the court. This amount can be in the form of a gift if the gift is documented with a gift letter provided to the first mortgage lender.