Invoice Management System Under GST

Invoice Management System Under GST

The Invoice Management System (IMS) under GST lets businesses accept, reject, or keep supplier invoices pending, supporting accurate ITC claims in GSTR-2B and GSTR-3B.

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Debit Note and Invoice Management System
 

Debit Note and Invoice Management System

  • In summary


    An invoice management system (IMS) under GST helps you review supplier-filed invoices before reconciling input tax credit (ITC). It is available through the GST portal to eligible registered taxpayers.


    • IMS under GST lets you accept, reject, or mark eligible inward supply records as pending.
    • For monthly filers, GSTR-2B is generally generated on the 14th of the following month; check the portal for applicable changes and options to recompute it.
    • Records on which you take no action may be treated as deemed accepted, subject to the applicable rules and exceptions.
    • Section 16(4) of the CGST Act generally sets an ITC time limit of 30 November following the end of the relevant financial year, or the date of filing the relevant annual return, whichever is earlier.
    • You can access IMS with your existing GSTIN and GST portal credentials; separate IMS registration is not required.

    Use the GST Calculator to estimate GST amounts; confirm your final tax treatment and ITC eligibility against applicable rules.

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What is an invoice management system (IMS) under GST?

  • An invoice management system (IMS) under GST is a facility on the GST portal that lets recipients review supplier-filed inward supply records and accept, reject, or keep eligible invoices pending. This IMS under GST workflow gives businesses more control over invoice matching before they use records to reconcile ITC.


    The Goods and Services Tax Network (GSTN) provides the facility through the GST portal. IMS is available to registered taxpayers with a valid GSTIN and authorised portal access, so no separate IMS onboarding is required. Suppliers file invoice details through the applicable return process, and recipients review those details against their own purchase records. Reviewing invoice values, tax amounts, supplier details, and receipt of goods or services can help identify mismatches early and support more accurate ITC reconciliation.

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What are the latest updates to IMS under GST?

  • The key practical change with IMS under GST is that recipients can review supplier records and take invoice-level actions before completing ITC reconciliation. Check current GSTN advisories for changes to portal functionality and return processes.


    UpdateDetailImpact on businesses
    GSTN integrationIMS is accessed through the GST portal and shows eligible supplier records.Helps recipients review invoice details in one place.
    E-invoice systemE-invoice requirements continue to depend on the applicable rules and turnover criteria.Checking source invoice details can help prevent errors during reconciliation.
    ITC rule updatesGSTR-2B is auto-drafted based on supplier data and applicable IMS actions.Reduces some manual matching, but records still need review.
    CGST provisionsITC eligibility and time limits remain subject to the CGST Act and applicable rules.Businesses should verify current requirements before filing.

    Last reviewed: October 2026.

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What are the key features of IMS under GST?

The invoice management system supports supplier-invoice review, GST portal integration, ITC reconciliation, return preparation, and invoice-status tracking. Together, these functions help businesses organise invoice checks and spot discrepancies before filing.


FeatureWhat it doesBusiness benefit
Automated invoice reviewDisplays supplier-filed records for review against purchase documents.Reduces repetitive manual checking.
GSTN integrationMakes eligible invoice data available through the GST portal.Supports centralised record review.
GST return supportHelps reconcile records used when preparing GST returns.Cuts effort spent compiling invoice data.
ITC reconciliationSupports comparison with GSTR-2A and GSTR-2B.Helps identify mismatches before claiming eligible credit.
Invoice trackingShows whether records are accepted, rejected, or pending.Creates a clearer review trail for follow-up.

You can also review relevant information about GST returns through the GST portal.

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How does the invoice management system work under GST?

The invoice management system under GST lets recipients accept, reject, or keep eligible supplier invoices pending. These actions influence how records appear in GSTR-2B and are considered during ITC reconciliation for GSTR-3B.


  • The supplier files invoice details through GSTR-1, GSTR-1A, or the Invoice Furnishing Facility (IFF), as applicable.
  • Log in to the GST portal with your authorised credentials and open IMS for your GSTIN.
  • Match the supplier name, invoice number, taxable value, tax amount, and goods or services received against your purchase register.
  • Accept correct records, reject incorrect records, or keep records pending when you need clarification or further verification.
  • Review GSTR-2B and any permitted updates or regeneration options before preparing GSTR-3B.

Buyer actionImpact on GSTR-2BImpact on GSTR-3B ITCSupplier visibility
AcceptedReflected according to applicable IMS and GSTR-2B rules.May be considered for ITC, subject to statutory eligibility.Supplier can see the action.
No action / deemed acceptedGenerally treated as deemed accepted, subject to exceptions.Does not by itself establish ITC eligibility.Status may be visible in IMS.
RejectedShown in the relevant rejected category, as applicable.Generally excluded from ITC computation.Supplier can review and correct discrepancies.
PendingUsually carried forward until action is taken.Not available for claim until resolved and otherwise eligible.Supplier can follow up on the pending record.

What might this look like for a business?


Suppose Priya runs a textile trading business in Surat and sees 12 supplier invoices in IMS. She accepts 10 that match her records, rejects one with an incorrect GSTIN, and marks one pending because the goods have not arrived. She then reviews GSTR-2B and follows up with the relevant supplier before finalising her ITC calculation. The example illustrates the workflow; actual tax treatment depends on the facts and applicable rules.

What are the important highlights of the new IMS?

The main advantage of the invoice management system is more structured invoice review before ITC reconciliation. IMS can support simpler compliance, but it does not remove the need to check statutory eligibility or maintain evidence.


HighlightWhat it means for your business
Simplified complianceInvoice-level actions help organise supplier-record review before return preparation.
Quarterly filing optionEligible taxpayers under the QRMP scheme generally file relevant returns quarterly; confirm current rules and applicable GSTR-2B frequency.
Enhanced transparencyA visible action status can help teams follow up on discrepancies.
User-friendly accessThe facility is accessed through the GST portal using authorised credentials.
GSTR-2B generationGSTR-2B is generally generated on the 14th of the following month for monthly filers; check the portal for current details.


 

What does the IMS dashboard show?

The IMS dashboard helps you review eligible supplier records and their action status. Depending on the portal view and current functionality, you can check invoices awaiting action, records already accepted or rejected, and items requiring supplier follow-up. Use the dashboard alongside your purchase register and accounting records rather than treating the displayed status as proof that an ITC claim is valid.

How do you access and use IMS on the GST portal?

Access the invoice management system through the GST portal with your existing GSTIN and authorised login credentials. You do not need a separate IMS registration to use the facility.


  • Log in to the GST portal using your authorised credentials.
  • From the dashboard, navigate to Services and then Returns, following the portal’s current menu labels.
  • Open Invoice Management System (IMS) to view records available for your GSTIN.
  • Compare invoice details with your purchase register and supporting documents.
  • Accept, reject, or keep records pending as appropriate, then review GSTR-2B before preparing GSTR-3B.
  • Keep supplier communications, purchase records, and supporting documents organised in case a mismatch needs follow-up or review.

How do taxpayers manage invoices and claim ITC using IMS?

For an IMS GST ITC claim, use a three-step process: review supplier invoices, reconcile the records, and claim only eligible credit in the return. IMS supports this process but does not replace the legal conditions for claiming ITC.


StepAction in IMSImpact on ITC
Generate and trackReview available invoices and their accepted, rejected, or pending status.Shows which records need follow-up before reconciliation.
ReconcileCompare purchase records with GSTR-2A and GSTR-2B.Helps identify missing or inconsistent invoice details.
Prepare the returnUse reconciled information while preparing GSTR-3B.Supports accurate reporting, subject to statutory eligibility and time limits.

You can use the GST Calculator to estimate GST amounts, but a calculation alone does not establish ITC eligibility. Under Section 16(4) of the CGST Act, the general time limit is 30 November following the relevant financial year, or the date of filing the annual return, whichever is earlier.

What are the benefits of IMS for businesses?

The invoice management system can help both buyers and suppliers by making invoice review more transparent and supporting earlier identification of mismatches. The benefits depend on accurate data and timely action.


IMS under GST benefitHow it helps
Buyer control over ITC recordsBuyers can accept or reject records before using them in reconciliation.
Fewer avoidable discrepanciesRejected or mismatched records can be followed up with suppliers.
Simpler reconciliationInvoice status helps teams prioritise missing, matched, or disputed records.
Audit readinessA documented review trail supports internal checks and compliance reviews.
Supplier visibilitySuppliers can identify buyer actions and address invoice errors where needed.

If your business needs funding for eligible operating expenses or technology improvements, check your business loan eligibility and assess repayment affordability before applying.

What is the impact of IMS actions on GSTR-2B and GSTR-3B?

Your action on a supplier record affects how it is reflected in GSTR-2B and considered during ITC reconciliation for GSTR-3B. The table summarises the general workflow; applicable rules and exceptions should always be checked.


Buyer actionImpact on GSTR-2BImpact on GSTR-3B ITCSupplier visibility
AcceptedReflected as accepted under applicable portal rules.May be considered if all ITC conditions are met.Action is visible to supplier.
No action / deemed acceptedGenerally treated as deemed accepted, subject to exceptions.Deemed acceptance alone does not prove eligibility.Status may be visible.
RejectedShown in the relevant rejected section, as applicable.Generally excluded from ITC computation.Supplier can review the rejection.
PendingCarried forward where applicable until resolved.Not included until resolved and otherwise eligible.Supplier can follow up.

GSTR-2B is generally generated on the 14th of the following month for monthly filers. Check the portal for applicable changes, and review records before filing.

Does IMS integrate with accounting software?

The invoice management system under GST can be used alongside accounting software, but the available integration method and features depend on the provider, product version, and GSTN-authorised connection.


Accounting softwareIntegration methodPotential IMS benefit
TallyPrimeCheck the current product version and supported GSTN-connected workflow.May help bring invoice review into existing accounting processes.
Zoho BooksCheck whether the current GST filing module includes IMS dashboard functionality.May support invoice matching and follow-up within the accounting workflow.
ClearTax and other GSPsConfirm the provider’s current GSTN-authorised API access and supported features.May offer a pull-review-push workflow and updated tax reports.

Before relying on an integration, confirm supported features, user permissions, subscription requirements, data-sync behaviour, and whether actions are transmitted to the GST portal. If you are investing in accounting software or GST compliance tools, a business loan from Bajaj Finance may help fund eligible business requirements, subject to eligibility and terms.

How should you manage pending invoices and discrepancies?

Use the Pending status when an IMS invoice accept/reject decision requires more verification. It can be appropriate when goods have not arrived, invoice details do not match, or supporting documents need review.


  • Goods have not arrived: keep the record pending until receipt is confirmed.
  • Invoice details do not match: ask the supplier for clarification or a corrected record.
  • Supporting documents need review: check purchase orders, delivery records, contracts, or other evidence before deciding.

Pending status is a review mechanism, not an automatic entitlement to ITC. Monitor the applicable statutory deadline, including the general Section 16(4) time limit of 30 November following the relevant financial year or the date of filing the annual return, whichever is earlier.

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What do you need to access IMS?

To use IMS under GST, you generally need a valid GSTIN, authorised GST portal login credentials, and access to supplier records filed through the applicable GST return process. The facility is accessed through the portal, so separate IMS registration documents are not required.


Keep purchase invoices, accounting records, and supporting documents ready to verify supplier details and determine whether an ITC claim meets the statutory conditions. Requirements for GST registration or return filing are separate from the requirements for accessing IMS.

What compliance rules should you follow when using IMS?

The key rules for the invoice management system are to maintain accurate invoice data, review supplier records promptly, and claim ITC only when statutory conditions are met.


  • Check invoice details: verify the GSTIN, supplier details, invoice value, tax amounts, and underlying purchase.
  • Review records before filing: check GSTR-2B and the GST portal’s current guidance for applicable options and timelines.
  • Confirm ITC eligibility and time limits: the presence or deemed acceptance of a record does not override the legal conditions or the Section 16(4) deadline.

Keep evidence of discrepancies and supplier communications for reconciliation or compliance reviews. You can also review the applicable provisions and updates published by the GST Council and confirm the treatment of specific transactions with a qualified tax professional.

How can IMS support GST compliance?

IMS can reduce avoidable reconciliation errors by allowing you to review supplier records before finalising ITC calculations. It can improve record visibility, but accurate reporting still depends on purchase records, supplier data, and compliance with ITC rules.


To make the most of IMS, compare records against your purchase register, follow up on mismatches, and retain evidence of decisions. Do not treat an accepted or deemed-accepted invoice as automatic proof that the related ITC is eligible. Check the relevant GST provisions and filing requirements before claiming credit.

Keeping your business moving with the right financial support

Reviewing supplier invoices through IMS can help you make better-informed ITC decisions and keep your records aligned, but day-to-day operations and growth plans may still require working capital. You may need funds to purchase inventory, pay suppliers, upgrade equipment, improve technology, or expand your operations.


Before seeking external funding, estimate the amount you need, review your expected receipts and expenses, and assess whether the repayments would remain manageable during slower business periods. Accurate accounting and GST records can support financial planning, but they do not guarantee loan approval.


If you need funds for a planned business expense or growth opportunity, you can explore a Bajaj Finance Business Loan. Check your pre-approved business loan offer to explore a potential funding option. The available offer, loan amount, interest rate, and other terms are subject to eligibility and the lender’s assessment. Borrow only when the expected business benefit justifies the cost and the repayment commitment fits your cash flow.

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Frequently asked questions

Overview

Is IMS mandatory for all GST taxpayers?

The invoice management system under GST is available to eligible registered recipients for reviewing inward supply records, but this does not mean every taxpayer must take action on every invoice. Records with no action may be treated as deemed accepted under applicable rules, subject to exceptions. Deemed acceptance does not override ITC eligibility requirements or the time limit under Section 16(4) of the CGST Act.

What documents are needed to access IMS under GST?

You do not generally need separate documents to register for IMS because the facility is accessed through the GST portal using your existing GSTIN and authorised login credentials. To use IMS effectively, keep supplier invoices, purchase records, and supporting documents ready to verify invoice details and reconcile potential ITC. Documents required for GST registration or return filing are separate from the requirements for accessing IMS.

Can IMS help reduce errors in GST returns?

Yes. IMS can help reduce avoidable errors by letting you review supplier invoices and take action before finalising ITC reconciliation. Comparing invoice details with purchase records and GSTR-2B can highlight missing or mismatched entries before you prepare GSTR-3B. However, IMS cannot guarantee error-free returns; you must still verify invoice accuracy, ITC eligibility, and applicable filing deadlines.

What happens if you take no action on an invoice in IMS?

A supplier record on which you take no action is generally treated as deemed accepted, subject to applicable rules and exceptions. This does not automatically make the related tax credit eligible. Check the invoice against your purchase records, confirm that the goods or services and other statutory conditions meet the requirements, and review the record in GSTR-2B before preparing GSTR-3B.

Is IMS applicable to export invoices?

IMS primarily lets recipients review inward supply records filed by suppliers. Export invoices issued by your business are outward supply records and are handled through the applicable outward-supply reporting process. If you receive domestic supplier invoices related to export activity, review those inward records in IMS where they appear and assess ITC eligibility under the applicable GST provisions.

Do doctors need IMS for GST filing?

Doctors registered under GST can use IMS to review eligible inward supply records and reconcile ITC where a claim is legally available. Whether GST registration and ITC entitlement apply depends on the doctor’s activities, supplies, and applicable exemptions. Review supplier invoices and professional-use expenses carefully, and consult a qualified tax professional if the treatment of a particular expense is unclear.

 

Can freelancers use IMS under GST?

Freelancers registered under GST can access IMS through the GST portal using their GSTIN to review eligible inward supply records. The facility can help them compare supplier invoices with accounting records and reconcile potential ITC. Whether a freelancer must register for GST and whether a particular credit is eligible depend on the nature of the work, turnover, and applicable GST rules.

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