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 an important, formal, legal piece of documentation that can help explain that a (usually rather large) sum of money was gifted to you.Yes, this is normal. We bought our first house just before we got married. The person who gave you the money must write and sign the gift letter as well as provide their personal information. A short letter like this sample gift letter will cover all of the requirements your lender needs. Yes. When people give me money, and the amount is more than I can quickly get out of my bank account, 1, I will refuse. The cover letter should include your name, address, and purpose of the gift in one envelope. The underwriter's discretion is always at play here, so more than one of these items may be required. There is a Gift Letter form you may use which provides instructions.