Hi, I'm new to this but need advice. My parents have given me and my brother a substantial cash gift.This guide explains how to document gift funds for a mortgage and meet lender requirements. 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. As I understand it, a parent can gift ÂŁ3,000 per year to a child free of any IHT liability. 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. Mortgage gift letters tell the lender that money for your loan came from a gift. Lenders require gift letters when necessary. 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. How to properly deal with restricted and unrestricted funds, and solicited and unsolicited designated donations in your 501(c)(3) nonprofit.