GST E-Invoicing for Imports of Services & Inward Supplies

Yes, GST e-invoicing is set to expand to imports of services and other inward supplies, moving beyond the current B2B domestic focus. This article explains what that expansion means, how it will work, and what businesses need to prepare for.

Background: What E-Invoicing Covers Today

India’s GST e-invoicing system, rolled out in phases from October 2020, currently applies to specified categories of taxpayers based on their aggregate annual turnover. As of 2025, businesses with turnover above ₹5 crore must generate e-invoices for all B2B supplies, and the threshold is expected to drop further over time. However, e-invoicing has been limited to domestic supplies of goods and services – imports and most inward supplies (purchases) have been outside its scope.

The system works by generating a unique Invoice Reference Number (IRN) through the GST Network’s (GSTN) portal or an approved intermediary. The invoice details are authenticated and then used to auto-populate the recipient’s purchase register and GSTR-2B, reducing reconciliation errors.

Why Expand to Imports and Inward Supplies?

The GST Council and the government have consistently signalled that e-invoicing will be extended to more transactions. The main drivers are:

• Combat fake input tax credit (ITC): Many fraudulent claims arise from bogus inward supplies. E-invoicing on the buyer’s side would make it harder to claim ITC without a valid, authenticated invoice.
• Improve data reconciliation: When both the supplier and recipient report the same transaction, mismatches become visible immediately.
• Cover imports of services: Currently, importers of services (e.g., software, consulting, royalties) often self-invoice under reverse charge. There is no standardised digital authentication, leading to under-reporting.
• Align with global best practices: Many countries have already implemented continuous transaction controls (CTC) for both domestic and cross-border supplies.

How It Would Work for Imports of Services

Imports of services are treated as supplies under GST and are subject to reverse charge – the recipient (importer) pays the tax. Under the proposed expansion, the importer would generate an e-invoice for the imported service, even though there is no domestic supplier.

The likely process would be:

1. The importer receives a foreign supplier’s invoice (e.g., for cloud services, legal fees, or technical know-how).
2. The importer uses the GSTN e-invoice portal to create a “self-invoice” for the import, capturing the foreign supplier’s details, the nature of service, and the value.
3. The portal generates an IRN, which the importer uses to file the return and claim ITC (if eligible).
4. The same data would auto-fill the recipient’s GSTR-2B and the import register in the GST portal.

This would replace the current practice of manually reporting such services in GSTR-1 and GSTR-3B.

Inward Supplies from Domestic Suppliers

For domestic inward supplies, the expansion means that even if a supplier is below the turnover threshold, the buyer might still be required to generate an e-invoice for the purchase. This is a significant shift because today e-invoicing is supplier-driven.

For example, a large company buying office supplies from a small vendor (turnover under threshold) would currently receive a normal invoice. Under the proposed rule, the large buyer would have to create an e-invoice for that purchase, using the vendor’s details, to claim ITC. This is similar to the “e-invoice for reverse charge” mechanism but applied to all inward supplies.

Challenges and Concerns

Businesses and tax professionals have raised several practical concerns:

• Duplicate reporting: If both supplier and buyer generate e-invoices for the same transaction, there is a risk of double reporting. The GSTN will need to implement a matching mechanism to avoid duplication.
• Operational burden: Buyers will need to capture every invoice from thousands of small suppliers, many of whom may not be digitally savvy.
• IT system readiness: ERP and accounting software must be updated to handle buyer-side e-invoicing, especially for imports with different currencies and tax treatments.
• Time of supply rules: For imports of services, the time of supply is the date of invoice, payment, or receipt of service – whichever is earliest. E-invoicing must align with these rules to avoid interest penalties.

What Businesses Should Do Now

While the exact implementation date is not yet announced, businesses can take preparatory steps:

1. Map all inward supplies – list every vendor, the nature of supply, and whether it is currently covered by e-invoicing.
2. Identify imports of services – these are often hidden in expense categories like legal, consulting, software, and royalty payments.
3. Upgrade accounting systems – ensure your software can generate e-invoices on the buyer’s side and handle reverse charge.
4. Train staff – especially in procurement and accounts payable, on the new process.
5. Review contracts – with foreign suppliers to ensure they provide all necessary details for e-invoicing (e.g., GSTIN of the recipient, HSN/SAC codes).

Frequently Asked Questions

Will e-invoicing apply to all imports of services?

Not immediately. The government is likely to phase it in, possibly starting with large taxpayers or specific service categories. But the direction is clear – all imports of services will eventually be covered.

What is a self-invoice for imports?

A self-invoice is an invoice generated by the recipient (importer) for a supply received from an unregistered or foreign supplier. Under GST, it is already required for reverse charge purchases. E-invoicing would simply make this process digital and authenticated.

Will I lose ITC if my supplier doesn’t issue an e-invoice?

Under the proposed buyer-side e-invoicing, you would generate the e-invoice yourself, so you would not lose ITC. However, you must ensure the details match the supplier’s records to avoid mismatches.

How will this affect my GSTR-2B?

Your GSTR-2B will auto-populate with the e-invoice data, making reconciliation easier. You will see all your inward supplies, including imports, in one place.

Is e-invoicing for imports already mandatory in any country?

Yes, several countries have implemented or are implementing similar systems. For example, Italy has mandatory e-invoicing for all domestic supplies, and the EU is moving towards a digital reporting framework that will cover cross-border transactions.

What is the penalty for not complying?

Penalties under GST for not issuing a valid invoice or not generating an e-invoice when required can be up to 100% of the tax due. Specific penalties for e-invoicing non-compliance are expected to be similar to those for other invoice violations.

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