1. When DMAS determines an overpayment has been made to a provider, DMAS shall promptly send the first demand letter requesting a lump sum refund. When To Complete This Form.Complete this form if you are requesting that we adjust the current rate of withholding to recover your. You may print out and bring the forms with you, or the Clerk's Office can provide forms for you to fill out. You only want to change the amount of money you must pay us back each month. The letter usually is not addressed to a specific person who qualified as the personal representative of the estate; in fact, most times, no one has yet. Otherwise, submit your request in a letter to the DMC. The amount of time necessary to complete the project and the complexity of the legal issues are just two factors. We are here to help your business recover. Our team of advisors are available to provide confidential, no-cost advising and direction.