GST E-Invoicing
April 2, 2025

Why in news?

The GST Council of India introduced e-invoicing (electronic invoicing) in a phased manner to standardize business-to-business (B2B) invoice reporting to the GST portal.

There were no predefined formats. Hence, a uniform structure was developed in consultation with trade bodies and the Institute of Chartered Accountants of India.

Over time, several modifications have been made to the e-invoicing regulations to enhance compliance and efficiency.

What’s in Today’s Article?

  • GST E-Invoicing: Overview & Process
  • Advantages of GST E-Invoicing
  • New GST E-Invoicing Rules from April 1, 2025

GST E-Invoicing: Overview & Process

  • GST e-invoicing is a system where B2B and export invoices are reported to the Union Government’s e-invoice portal for validation.
  • Each invoice receives a unique Invoice Reference Number (IRN).
  • However, invoices are not generated by the government but are created by taxpayers in their own systems and then reported.
  • The system enables seamless electronic data exchange through API integration.
  • Approval & Rollout
    • Approved in the 37th GST Council meeting in September, 2019.
    • Rolled out in a phased manner starting October 2020 for businesses with an Annual Aggregate Turnover (AATO) above ₹500 crore.
    • Extended in January 2021 to businesses with AATO between ₹100 crore and ₹500 crore.
  • Documents Required for IRN Generation
    • GST Invoices
    • Credit Notes
    • Debit Notes (for B2B supplies and exports)
  • Exempted Businesses
    • Special Economic Zone (SEZ) units
    • Insurance and banking sectors, including NBFCs
    • Multiplex cinema admissions
    • Goods transport agencies (road transport)
    • Passenger transport services
  • E-Invoicing Process
    • Taxpayers generate invoices using their own accounting/billing/ERP systems.
    • The invoices are reported to the Invoice Registration Portal (IRP).
    • The IRP validates the invoice and assigns a Unique Invoice Reference Number (IRN) along with a QR code.
    • A GST invoice is legally valid only if it contains a valid IRN.

Advantages of GST E-Invoicing

  • Automation & Efficiency
    • Invoice details are auto-populated into GST return forms and e-way bills, reducing time and manual effort.
    • Minimizes disputes and processing costs by ensuring digital storage of all forms.
    • Improves payment cycles, enhancing overall business efficiency.
  • Standardization & Interoperability
    • Uses a digitally verifiable e-invoice format based on international standards.
    • Ensures machine readability and uniform interpretation across different platforms.
    • Allows taxpayers to seamlessly switch between different portals.
  • Fraud Prevention & Compliance
    • Reduces fraudulent transactions by providing real-time access to data for tax authorities.
    • Helps in curbing tax evasion and malpractice, leading to greater transparency.

New GST E-Invoicing Rules from April 1, 2025

  • Mandatory 30-Day Deadline for E-Invoice Reporting
    • Businesses with an Annual Aggregate Turnover (AATO) of ₹10 crore and above must report e-invoices to the Invoice Registration Portal (IRP) within 30 days of issuance.
    • Earlier, this rule applied only to businesses with AATO above ₹100 crore.
    • With the lower turnover threshold, many more businesses must now comply with this rule.
  • Stricter Compliance & Penalties
    • Currently, businesses delay invoice uploads, causing discrepancies in Input Tax Credit (ITC) claims.
    • From April 1, IRPs will block invoice uploads beyond 30 days, rejecting late submissions.
    • Non-compliance may lead to penalties and financial consequences.
  • Compulsory Two-Factor Authentication (2FA)
    • From April 1, all taxpayers, regardless of turnover, must use Two-Factor Authentication (2FA) for e-invoice and e-way bill generation.

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