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E-Invoicing Under GST – Applicability & Process
E-invoicing is now mandatory for every GST-registered business crossing the notified turnover limit. Understand who must comply, how the Invoice Registration Portal (IRP) works, and get your GST registration and return filing handled by our experts so your business stays fully compliant.
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What Is E-Invoicing Under GST?
E-invoicing under GST is the process of electronically authenticating B2B invoices, export invoices, and specified other invoices through the government's Invoice Registration Portal (IRP) before they are issued to the buyer. It does not mean the government generates your invoice for you; you continue creating invoices in your own billing or accounting software, but each invoice must be reported to the IRP to receive a unique Invoice Reference Number (IRN) and a signed QR code.
Once validated, the invoice details are automatically shared with the GST portal and, where applicable, the e-way bill system, reducing manual data entry and mismatches between your books and your gst returns.
Who Is Required to Generate E-Invoices? (Applicability)
As of 2026, e-invoicing is mandatory for GST-registered businesses whose aggregate annual turnover (AATO) has exceeded ₹5 crore in any financial year from FY 2017-18 onwards, under Notification No. 10/2023-Central Tax. A few key rules apply:
- The ₹5 crore threshold is calculated on a PAN-India basis, combining the turnover of all GSTINs registered under the same PAN.
- Once your turnover crosses the threshold in any financial year, e-invoicing becomes mandatory permanently, even if turnover later falls below ₹5 crore.
- The requirement applies to B2B supplies, exports, and supplies to government entities (B2G), including related credit and debit notes.
- Certain larger taxpayers are also required to report eligible invoices to the IRP within a specified reporting window, so delayed reporting should be avoided.
This applicability threshold is revised periodically by the GST Council. Always verify the current limit before assuming your business is exempt, since the government has progressively lowered this limit over the years.
Who Is Exempted From E-Invoicing?
Special Economic Zone (SEZ) units
Banking companies & financial institutions
Insurance companies
Goods Transport Agencies (GTAs)
Passenger transportation service providers
Suppliers of services by way of admission to exhibitions or cinema
Step-by-Step Process to Generate an E-Invoice
1
Create the Invoice as Usual
Generate the invoice in your existing accounting or billing software in the standard e-invoice schema format.
2
Report to the Invoice Registration Portal (IRP)
Upload the invoice data to the IRP, either directly or through a GST Suvidha Provider (GSP) integrated with your billing system.
3
Receive the IRN & QR Code
The IRP validates the invoice, generates a unique Invoice Reference Number (IRN), and returns a digitally signed QR code.
4
Share the Signed Invoice With the Buyer
Print or send the invoice with the IRN and QR code embedded, which makes it a legally valid tax invoice.
5
Auto-Population Into GSTR-1 & E-Way Bill
Validated invoice details automatically flow into your GSTR-1 return and, where required, the e-way bill system, reducing manual reconciliation.
Penalties for Non-Compliance
Failing to generate a valid e-invoice where mandated has real financial and operational consequences:
| Non-Compliance | Consequence |
|---|---|
| Invoice not reported to IRP | Treated as an invalid invoice under GST law |
| Non-generation of e-invoice | Penalty of 100% of the tax due or ₹10,000, whichever is higher, per invoice |
| Incorrect e-invoice | Penalty of up to ₹25,000 per invoice |
| Invalid invoice used for ITC | Buyer's Input Tax Credit claim can be disallowed or delayed |
Beyond penalties, an invalid invoice can disrupt e-way bill generation, delay GST refunds, and affect your business's credibility during bank loan or vendor documentation checks.
Why Choose SetupFiling for GST Registration & Compliance
SetupFiling has helped over 50,000 customers across India get GST registered and stay compliant with return filing, so their systems are ready when e-invoicing applicability kicks in. Whether you are registering for the first time or need ongoing return filing support, our team handles the process end to end.
- Fast, accurate GST registration starting at ₹999
- Bundled return filing packages so you never miss a due date
- Guidance on e-invoicing applicability specific to your turnover and sector
- Transparent, fixed pricing with no hidden charges
- WhatsApp and email support at every step
Already registered and need help with ongoing filings? Explore our GST return filing service or file your GSTR-3B return with our team.
Related GST & Business Compliance Services
Businesses preparing for e-invoicing compliance often need these services as well:
New GST Registration Online
Monthly & Quarterly GST Return Filing
File Your GSTR-3B Return
Check GST Composition Scheme Eligibility
Amend Your Existing GST Registration
Apply for GST Registration Cancellation
File a Letter of Undertaking (LUT) for Exports
Register a Private Limited Company
Get Your MSME (Udyam) Certificate
File Your Income Tax Return
Register Your Brand as a Trademark
Talk to a GST Compliance Expert
Frequently Asked Questions – E-Invoicing Under GST
What is the turnover limit for e-invoicing under GST?
As of 2026, businesses with an aggregate annual turnover exceeding ₹5 crore in any financial year from FY 2017-18 onwards must generate e-invoices, as per Notification No. 10/2023-Central Tax. This limit is revised periodically by the GST Council.
Does e-invoicing mean the government creates my invoices?
No. You continue to generate invoices using your own billing or accounting software. E-invoicing only requires you to report those invoices to the Invoice Registration Portal to obtain a valid IRN and QR code.
Is e-invoicing applicable to B2C invoices?
No, e-invoicing under the current rules applies mainly to B2B supplies, exports, and supplies to government entities. Standard B2C invoices are generally not required to be reported to the IRP.
What happens if I don't generate an e-invoice when required?
An invoice that should have been reported to the IRP but wasn't is treated as invalid under GST law, and penalties of 100% of the tax due or ₹10,000 per invoice, whichever is higher, can apply.
Is e-invoicing linked to my GST registration status?
Yes. Only GST-registered businesses can generate e-invoices, since the IRN is linked to your GSTIN. You must be GST registered before e-invoicing applicability can be assessed for your business.
Once my turnover crosses ₹5 crore, does e-invoicing apply forever?
Yes. Once your aggregate turnover crosses the notified threshold in any financial year, e-invoicing remains mandatory in subsequent years, even if your turnover later falls below ₹5 crore.
Are exports covered under e-invoicing?
Yes, export invoices from businesses crossing the turnover threshold must also be reported to the IRP, which supports export documentation and refund claims.
How do I get started with GST registration for e-invoicing readiness?
Choose one of the GST registration packages above based on whether you also need return filing support, and our team will complete your registration and guide you on e-invoicing applicability for your business.
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