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. Below is a typical gift letter template you can share with donors.A short letter like this sample gift letter will cover all of the requirements your lender needs. A gift letter is an important, formal, legal piece of documentation that can help explain that a (usually rather large) sum of money was gifted to you. A gift letter must contain the donor's name, the gift's value, confirmation that the gift is not to be repaid, and the donor's signature.