This document outlines the process for Insolvency Resolution Professionals (IRPs) and Resolution Professionals (RPs) to register on the GST portal. It details how to apply for new registration on behalf of corporate debtors, specifying the required information and the 'Reason for Registration' to select. The guide clarifies that registration is required only once, and subsequent changes in IRP/RP are handled as authorised signatory updates or non-core amendments. This information is crucial for IRPs/RPs managing corporate insolvency resolution processes.