Tell them how much you can afford to pay each month. A sample letter is attached. 2.If we can't waive collection, we may use this form to decide how you should repay the money. Please answer the questions on this form as completely as you can. The Notice of Overpayment will tell you how much you were overpaid. It will tell you to send the money back in 30 days. On April 16, 2021, the Hualapai Indian Tribe of the Hualapai Indian Reservation (Tribe) and the.