Just call 555-5555 and our customer service representative will honor your request. Edit, sign, and share sample email of refund money to customer online.No need to install software, just go to DocHub, and sign up instantly and for free. For ACTIVE faculty, staff and students for an overpayment in the Current Calendar Year. A sample demand letter response template establishes the format and tone of the letter, so all you need to do is fill in the details. Dear Customer: Enclosed with this letter you will find a refund check from Minnesota Energy Resources.