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Published on 5 April 2025

Understanding E-Invoicing Requirements for GST Compliance

Understanding E-Invoicing under GST

E-invoicing under the Goods and Services Tax (GST) is a requirement for entities whose aggregate turnover exceeds ₹5 crores in any preceding financial year starting from FY 2017-18. This requirement is applied on a PAN (Permanent Account Number) basis rather than GSTIN (Goods and Services Tax Identification Number). Several sectors, including insurance, banking, NBFCs (Non-Banking Financial Companies), SEZ (Special Economic Zone) units, GTA (Goods Transportation Agencies), and government departments, are exempted from this mandate.

E-invoicing mainly applies to:

  • B2B transactions
  • Export sales (both with and without IGST)
  • SEZ sales
  • Deemed exports
  • B2B transactions subject to reverse charge

It does not apply to unregistered buyers (B2C), with further distinctions made between B2CL (business-to-consumer large customers with inter-state taxable supplies exceeding ₹1,00,000) and B2CS (small consumers). Only tax invoices, debit notes, and credit notes are included, while bills of supply are excluded. E-invoicing is applicable solely to taxable supplies, leaving out exempt, nil-rated, and non-taxable supplies. Both goods and services are included provided all criteria are met. Suppliers must adhere to these provisions to ensure compliance with GST.

1. Turnover Criteria

If a registered person's turnover exceeds the specified limit, e-invoicing mandates apply.

a. Turnover Limit

An entity with a turnover exceeding ₹5 crores in any preceding financial year from FY 2017-18 is required to implement e-invoicing from the following financial year.

b. Criteria

For e-invoicing eligibility, the aggregate turnover is considered instead of state-specific turnover. Once the aggregate turnover surpasses the limit, e-invoicing is applicable across all branches.

Example

If a company operates with 10 GSTINs and has a total turnover of ₹10 crores in any preceding financial year (with each GSTIN corresponding to ₹1 crore), the aggregate turnover is ₹10 crores, which exceeds the threshold. Therefore, e-invoicing is required as it surpasses the specified limit and is assessed PAN-wise.

2. Suppliers Covered

Certain exceptions apply, where e-invoicing is not mandated despite exceeding turnover limits. These include:

  • Insurers
  • Banking companies
  • Financial institutions
  • NBFCs
  • Goods transportation agencies (GTAs)
  • SEZ units
  • Passenger transportation services
  • Services related to the exhibition of cinematograph films in multiplexes
  • Local authorities
  • Government departments
  • OIDAR (Online Information & Database Access or Retrieval Services)

3. Recipients Covered

E-invoicing is applicable for the following recipient categories:

  • B2B transactions
  • Export sales with IGST
  • Export sales without IGST
  • SEZ sales with IGST
  • SEZ sales without IGST
  • Deemed export sales
  • B2B sales subject to reverse charge
  • Sales to deemed distinct persons (DDP)

4. Recipients Not Covered

Certain recipients are exempt from e-invoicing requirements:

  • B2CL: Unregistered large customers with inter-state taxable supplies exceeding ₹1,00,000 are not mandated to use e-invoicing.
  • B2CS: Recipients outside the B2CL category also do not require e-invoicing.

Conclusion

For unregistered recipients, e-invoicing is not applicable.

5. Documents Covered

Suppliers can issue various documents under the GST Act. E-invoicing applies to the following:

  • Tax invoices
  • Debit notes
  • Credit notes

Note: Bills of supply are not included in the e-invoicing provisions.

6. Nature of Supplies

E-invoicing is applicable only to specific types of supplies:

  • Taxable supplies are covered under e-invoicing.
  • Exempt, nil-rated, and non-taxable supplies are excluded.

Conclusion

E-invoicing is generated only for taxable supplies. If a registered person provides exempt sales, e-invoicing does not apply.

7. Nature of Transactions

Registered persons engaged in supplying goods or services must adhere to e-invoicing requirements as long as the stipulated criteria are met.

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