The gift letter for mortgage should be completed and provided to the conveyancing solicitor along with the gifter's proof of ID, address and proof of funds. Hi, I'm new to this but need advice.My parents have given me and my brother a substantial cash gift. How does a gifted deposit work? 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 consists of funds given to you, with no expectation of repayment, from a family member. Can anyone give me an idea of the letter I need to send with my mortgage application to cover a gift from parents? This form asks for details about the mortgage applicant(s) and the details of the person gifting the money (Donor). About you (the donor).