Once the information has been entered, click the Next button in the upper right-hand corner of the form. The forms below may also be used. Acknowledgments.Make sure to fill out Annex B in your overpayment letter within the deadline provided even if you file a grievance. If you have received an overpayment letter, please refer to the FAQ section below before taking any action. Options to repay, repayment schedules and what to expect if a federal public service employee receives an additional payment. "We thank (insert core director's name), director of the ______ Core at the UA College of Medicine – Phoenix, for providing ______ service.