Your gift letter has to be backed up with paperwork. Gift Letter For Mortgage Template.Your lender might give you a template to follow if you tell them you're using a gift for your down payment. Please complete this form to document your gift of stock. Edit, sign, and share GIFT LETTER - Hallmark Home Mortgage online. No need to install software, just go to DocHub, and sign up instantly and for free. 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. Instructions are included on each form. A gift letter is a note from a donor to your lender regarding cash funds for your mortgage down payment. A signed gift letter from her parents.