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. 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.This gift is to be applied toward the purchase of the property located at: (Property Address). 3). Write 'Gift' on the selling price line, as this vehicle was a gift and FL doesn't collect tax on gifts. This guide explains how to document gift funds for a mortgage and meet lender requirements. Writing the Gift Letter: Step-by-Step Step 1: Begin with the Date and Contact Information. Step 2: Clearly State the Gift. This guide explains how to document gift funds for a mortgage and meet lender requirements. Follow these steps to ensure a smooth home-buying process. This includes full names, addresses, and phone numbers.