This document provides an overview and instructions for navigating the Returns module in the CBEC-ACES-GST application. It explains the key concepts and processes for viewing GSTR-1, GSTR-2, and GSTR-3 forms, including downloading invoice details, browsing different return sections, and viewing summaries of tax liability, payments, and refunds. The document also outlines the scope of the user acceptance testing for the Returns module, covering browsing menus and return types as well as downloading supplier invoice data without workflow functionality.