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. Use the SEARCH BAR above to find your form more quickly.Just type in the name of the form. This is an information sheet to help you fill out Riverside County Local Form RIPR105, Personalized List of Rights. The Purpose of This Form. 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. Hand each person copies of the filled-out Notice of Hearing and the Petition. Fill out and sign Form GC-020(P), Proof of Personal Service of Notice of Hearing. 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.