Wondering what "IRN" (Invoice Reference Number) means? This short reference explains it in plain terms.
An IRN is a unique 64-character hash generated by the Invoice Registration Portal for each e-invoice, confirming it has been reported.
What is IRN?
An IRN is a unique 64-character hash generated by the Invoice Registration Portal for each e-invoice, confirming it has been reported.
| Full form | Invoice Reference Number |
|---|
Where it is used
- E-invoicing under GST
- Validating B2B invoices
Why IRN matters
IRN shows up in real filings, forms and transactions, so knowing what it means helps you complete them correctly and avoid errors, rejections or penalties. When in doubt about how IRN applies to you, confirm on the official portal or with a qualified professional before filing.
Frequently asked questions
What is the full form of IRN?
IRN stands for Invoice Reference Number.
What is IRN used for?
E-invoicing under GST; Validating B2B invoices.