If you have received an overpayment letter, please refer to the FAQ section below before taking any action. Make sure to fill out Annex B in your overpayment letter within the deadline provided even if you file a grievance.These FAQs outline how to respond to an overpayment letter and provide guidance on next steps. Members receiving overpayment letters must respond promptly, as they are given four weeks to do so. Where can I get help with my overpayment? In addition to our comprehensive FAQs, our staff are available to help you understand your overpayment. The first thing you should do is a spreadsheet listing what you should have been paid and what you received. This document provides an overview of overpayments, how they are classified, why that classification matters, and offers tips for claimants with overpayments.