USJE and PSAC have been receiving and responding to many requests for assistance as a result of overpayment recovery letters that members are receiving. If you have received an overpayment letter, please refer to the FAQ section below before taking any action.These FAQs outline how to respond to an overpayment letter and provide guidance on next steps. Make sure to fill out Annex B in your overpayment letter within the deadline provided even if you file a grievance. Application Process. There are many positive and reassuring statements that you can say to people in rehab. Say phrases that will psychologically help boost their confidence. Once payment is received, you will be mailed an acceptance letter. Some of these overpayment recovery letters refer to amounts that are inaccurate, or unverifiable.