E-Invoice Exemptions: Which Businesses and Supplies Are Outside the Mandate

"Do we really need e-invoicing?" is a fair question for banks, transporters, SEZ units and government bodies, even when their turnover is far above the limit. The notification that created e-invoicing carves out several classes of registered persons, and some kinds of documents are never covered at all. This guide lists the exemptions, explains what they do and do not cover, and flags the cases that trip people up.

Who is covered by e-invoicing in the first place?

The base rule is Notification 13/2020-Central Tax, issued under Rule 48(4) of the CGST Rules and amended several times. As amended by Notification 10/2023-Central Tax, it applies from 1 August 2023 to registered persons whose aggregate turnover in any financial year from 2017-18 onwards exceeds ₹5 crore, for supplies of goods or services to registered persons and for exports. The details of that test are in the e-invoice applicability limit guide.

Exemptions work in two layers:

1. Entity exclusions — certain registered persons are outside the notification even above the turnover limit.
2. Document and supply exclusions — certain documents are never e-invoiced, whoever issues them.

Which businesses are excluded from e-invoicing?

The notification, as amended, excludes the following classes of registered person.

Excluded person	Basis	Common examples
SEZ unit	Notification 13/2020 as amended	Manufacturing or IT units located in an SEZ
Insurer, banking company, financial institution including NBFC	Persons covered by Rule 54(2)	Banks, insurance companies, NBFCs
Goods transport agency (road)	Persons covered by Rule 54(3)	GTAs issuing consignment notes
Supplier of passenger transport service	Persons covered by Rule 54(4)	Bus operators, airlines issuing tickets
Supplier of admission to cinema in multiplex screens	Persons covered by Rule 54(4A)	Multiplex operators
Government department and local authority	Notification 23/2021-Central Tax	Departments, municipal bodies

The logic is that these sectors already have special invoicing rules. Rule 54 allows banks to issue consolidated statements, GTAs to use consignment notes, and passenger transport and multiplexes to use tickets in place of tax invoices. Forcing IRN generation on top of those systems would add little.

What about SEZ developers?

SEZ units are excluded; SEZ developers are not. A developer above the limit must e-invoice its B2B supplies. This distinction is a frequent source of error.

Which documents never need an IRN?

Regardless of who issues them, some documents fall outside e-invoicing.

Document	Why not covered
B2C tax invoices to unregistered consumers	Notification covers supplies to registered persons and exports
Bill of supply (exempt goods or composition dealers)	Not a tax invoice
Delivery challan	Not an invoice; used for movement without sale
Receipt voucher, refund voucher	Not invoice, credit or debit notes
Payment voucher under reverse charge	Self-issued for inward supplies
Bill of entry for imports	Inward supply, handled by customs
Invoices issued by an ISD	Distribution of credit, not a supply

For how these documents differ, see tax invoice vs bill of supply and delivery challan under GST.

Worked examples: exempt or not?

Example 1 — NBFC leasing equipment. A Mumbai NBFC with ₹80 crore turnover leases machinery to a registered Pune manufacturer, charging ₹5,00,000 + 18% GST (₹90,000). The NBFC is a financial institution covered by Rule 54(2), so it does not generate an IRN. The manufacturer can claim the ₹90,000 credit on the NBFC's invoice in the normal way.

Example 2 — SEZ unit and its supplier. An IT unit in a Pune SEZ with ₹30 crore turnover invoices a domestic client. It is an SEZ unit, so no IRN. But its local supplier of air-conditioning equipment, with ₹9 crore turnover, selling ₹12,00,000 of equipment to the SEZ unit, must issue an e-invoice with the "SEZ without payment" (or "with payment") supply type.

Example 3 — transporter with a trading arm. A Nagpur goods transport agency with ₹6 crore turnover also trades in tyres under the same GSTIN, selling ₹1.4 crore a year to registered fleet owners. The GTA exclusion is framed around the transport service. Whether its tyre invoices need IRNs is exactly the sort of mixed-activity question to settle with a tax adviser before assuming exemption.

Example 4 — municipal corporation. A municipal corporation registered under GST rents out commercial space to registered shopkeepers. As a local authority, it is excluded from e-invoicing for those invoices.

How to check whether an exemption applies to you

1. Confirm the turnover test first. If you never crossed ₹5 crore in any year since 2017-18, you are simply not covered.
2. Identify your legal category — SEZ unit, bank, insurer, NBFC, GTA, passenger transport, multiplex, government department or local authority.
3. Check the registration details on the GST portal: SEZ status, constitution of business and nature of activity.
4. Look at the e-invoice portal status for your GSTIN. Enablement on the portal is a system flag, not a legal ruling, so do not rely on it alone.
5. Document your reasoning in a short internal note in case a buyer or officer asks.
6. Review each year — a change of business activity can change the answer.

What do exempt businesses still have to do?

Exemption from e-invoicing does not mean exemption from GST compliance.

• Issue invoices (or the special documents allowed under Rule 54) with all mandatory fields; see mandatory fields on a GST invoice.
• Report supplies in GSTR-1 manually, since there is no IRP auto-population.
• Generate e-way bills for movement of goods where the e-way bill rules apply.
• Keep records under the normal record-keeping rules.

Billing Software by Betterwork lets you switch IRN generation off per GSTIN while still producing GST invoices and e-way bills, which suits groups with both exempt and covered registrations.

How buyers should handle invoices from exempt suppliers

Accounts teams increasingly reject invoices that lack a QR code. For exempt suppliers, that is a mistake. A sensible approach:

• Keep a list of suppliers known to be exempt (banks, insurers, GTAs, airlines, SEZ units, government bodies).
• For a supplier claiming exemption that is not obvious, ask for a short written confirmation.
• For covered suppliers above the limit, insist on an IRN — see e-invoice QR code for verification.

Exempt sectors and their special documents

Most excluded sectors already use special documents permitted under Rule 54 of the CGST Rules. Knowing them helps buyers recognise what a valid document from that sector looks like.

Sector	Document typically used	What the buyer should check
Banks, insurers, NBFCs	Tax invoice or consolidated statement, which may be issued periodically	GSTIN of supplier and recipient, tax amount, period covered
Goods transport agency	Tax invoice or a document containing consignment-note details	Vehicle number, consignor and consignee details, tax and who pays it
Passenger transport	Ticket in any form, including electronic	Supplier GSTIN and tax shown where credit is to be claimed
Multiplex cinema admission	Electronic ticket	Ticket details as prescribed
Government department / local authority	Tax invoice in the normal format	Mandatory GST invoice fields
SEZ unit	Tax invoice in the normal format	Mandatory GST invoice fields

What if you are exempt for one GSTIN but not another?

Groups often hold several registrations under one PAN — for example, an SEZ unit in one state and a domestic factory in another. The SEZ unit's registration is excluded, but the domestic factory is not, and its aggregate turnover is still counted on a PAN basis. In practice:

1. Map every GSTIN to "covered" or "excluded" with a reason.
2. Configure billing so IRN generation is on for covered GSTINs only.
3. Train each location's billing team on its own status.
4. Review the map whenever a new GSTIN is added or a unit's status changes.

A ₹40 crore group with a ₹22 crore SEZ unit and an ₹18 crore domestic unit is a typical case: the SEZ unit issues ordinary tax invoices, while the domestic unit must generate IRNs for every B2B invoice, including its sales to the SEZ unit.

Exemption is not permanent

An exemption depends on what you are, not on what you once were. A unit that exits an SEZ, an NBFC that surrenders its licence and starts trading, or a government entity corporatised into a company may move from excluded to covered overnight. When your legal status or registration details change, re-run the checks above before the next invoice.

How to document that you are outside e-invoicing

An excluded business is rarely asked to prove it, but buyers' accounts teams and auditors do ask. A short file avoids repeated explanations:

1. Record the legal basis. Note which part of the notification applies — for example the SEZ unit exclusion added by Notification 61/2020, the Rule 54 classes named in Notification 13/2020, or the government department and local authority exclusion added by Notification 23/2021.
2. Keep the supporting document. For an SEZ unit, its letter of approval; for a bank or NBFC, its licence or registration; for a government body, its constitution.
3. Write a standard reply for customers who ask why your invoices have no IRN or QR code.
4. Review it each year, because a change of business model, a merger or a new GSTIN can move you into the covered class.

Common mistakes with e-invoice exemptions

• Treating SEZ developers as exempt because SEZ units are.
• Assuming a supplier to an SEZ is exempt. It is the SEZ unit's own invoices that are excluded, not invoices issued to it.
• Rejecting a bank's invoice for having no QR code.
• Applying a GTA exemption to unrelated trading supplies without advice.
• Thinking exemption removes the e-way bill. It does not.
• Not recording the basis of exemption, leaving staff unsure when a buyer pushes back.

Key takeaways

• Exempt persons: SEZ units; insurers, banks and financial institutions including NBFCs; GTAs; passenger transport suppliers; multiplex cinema admission suppliers; government departments and local authorities.
• SEZ developers and suppliers to SEZs are not exempt.
• B2C invoices, bills of supply and delivery challans never need an IRN.
• Exemption from e-invoicing is not exemption from GST, returns or e-way bills.
• Document your exemption reasoning and revisit it whenever your activities change.

This guide is general information, not tax advice. Rules last checked on 20 October 2026; confirm with your tax professional for your situation.