
The Invoice Management System (IMS), introduced in October 2024 as an optional facility on the GST Portal, aims to simplify invoice processing for recipients. This system allows recipients to accept, reject, or keep pending invoices submitted by suppliers in GSTR-1/1A/IFF. Based on the actions taken by recipients, GSTR-2B is generated for recipients on the 14th of the subsequent month.
In this blog, we’ll cover key aspects of the IMS implementation, common errors taxpayers may face, and steps to ensure smooth functioning during this initial phase.
How Does IMS Work for Taxpayers?
The Invoice Management System helps streamline and organize invoices. Recipients can take the following actions on invoices:
- Accept: Invoices accepted by the recipient will make the input tax credit (ITC) available in GSTR-2B.
- Reject: Invoices rejected will not make ITC available in GSTR-2B.
- Keep Pending: Recipients can defer the decision regarding the invoice.
Upon finalizing these actions, GSTR-2B gets auto-generated on the 14th of the following month, summarizing eligible ITC for taxpayers.
Editing Auto-Populated ITC Details in GSTR-3B
IMS offers an auto-population feature that helps reduce errors by pulling details directly from GSTR-2B and GSTR-1. However, taxpayers still have the flexibility to manually edit the auto-populated data before submitting GSTR-3B. This flexibility can be especially helpful during the initial phase when mistakes are more likely.
Common Issues and How to Avoid Them During the Initial Phase
Since IMS is still new, recipients might make mistakes while taking actions on the system, leading to incorrect GSTR-2B or GSTR-3B values. For example, an inadvertent rejection of an invoice that should have been accepted will affect the ITC availability. To address these situations:
- Review and Correct Actions on IMS: If errors are made in accepting or rejecting an invoice, recipients can update their actions anytime before filing GSTR-3B for the relevant tax period.
- Recalculate GSTR-2B: Any modifications made in IMS (such as changing an invoice from “rejected” to “accepted”) allow for the recalculation of GSTR-2B, ensuring that eligible ITC is properly reflected.
- Edit Before Filing GSTR-3B: Taxpayers have the opportunity to edit the ITC or liability details auto-populated in GSTR-3B if discrepancies arise due to mistakes made during invoice management on IMS.
Key Takeaways for Taxpayers
- Optional Facility: IMS is introduced as an optional tool for better invoice management.
- Be Careful with Actions: The actions you take on IMS (accept, reject, pending) have a direct impact on the ITC calculation.
- Manual Edits Possible: Use manual edits before final submission of GSTR-3B if discrepancies are noticed.
- Errors During Initial Phase: Mistakes are likely during the initial phase of IMS implementation; always cross-check the ITC details.
Simplifying Compliance with IMS
The Invoice Management System is a powerful tool to make compliance simpler, but like any new system, there may be growing pains. By being vigilant about actions taken on IMS, recipients can ensure accurate reflection of ITC and tax liabilities, ultimately avoiding penalties or discrepancies with GST returns.
If you need help navigating IMS or have questions regarding your GSTR-2B or GSTR-3B filings, the experts at Efiletax are here to help guide you through every step, ensuring compliance and peace of mind.
Have questions? Comment below or reach out for a consultation today!

Note: Information is current as of November 2024 and subject to change. Always consult the GST Portal or a tax expert for the latest updates and personalized advice.