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What is e-invoicing under GST?

13-May-2026
GST

Answer By law4u team

E-invoicing under GST is a system where business invoices are electronically authenticated by the government before they are used for transactions. It is introduced under the framework of the Central Goods and Services Tax Act, 2017 and implemented through rules notified under GST. In simple terms, e-invoicing means that a company does not directly generate a “valid GST invoice” on its own. Instead, the invoice is first uploaded to a government-approved portal called the Invoice Registration Portal (IRP), where it is verified and given a unique identification number. Once approved, the system generates an Invoice Reference Number (IRN) and a digitally signed QR code. Only after this process does the invoice become legally valid for GST purposes. E-invoicing is mainly applicable to larger businesses whose turnover exceeds the prescribed threshold (as notified from time to time by the government). It is being implemented in phases, starting with large taxpayers and gradually expanding. The purpose of e-invoicing is to: Reduce tax evasion and fake invoicing Ensure real-time reporting of transactions Auto-populate GST returns (like GSTR-1) Improve transparency in the tax system Make input tax credit verification easier In summary, e-invoicing under GST is a government-verified digital invoicing system where invoices are authenticated in real time before being used, ensuring greater transparency, accuracy, and compliance in the tax system.

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