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. Hi, I'm new to this but need advice.My parents have given me and my brother a substantial cash gift. Could someone please give this the once over? My parents gifted us 24,000GBP to help us meet the financial requirements for the spouse visa. 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. You can use gifted funds to make a down payment, but your mortgage lender will want to know some details before they allow you to use it. These letters provide documentation of a monetary gift from a family member or friend, which can serve as a gifted deposit. Gift Amount: Specify the exact dollar amount of the gift. 2nd a person put in her fundraising letters that she may use the money for passports and other personal expenses.