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. The bank requested a letter from my parents stating this was a gift when they saw the deposit.It was an amount below the annual gift tax limit. A gift letter is a piece of legal, written correspondence explicitly stating that money received isn't expected to be repaid. Cash. The Foundations will accept outright gifts of cash of any amount, including gifts in the form of currency, money orders, checks, or electronic transfer. Mortgage Gift Letter Regulations By Property Type. There are no limits on the amount of gift money you can use for a down payment. The Standards of Payment system consists of the mandates and procedures used to establish maximum reimbursement rates for the foster care of children. Yes, limits are based on your credit score. Limits are established when your first transaction is scheduled.