The Tool Desk
Outbyte PC Repair FREERepair Windows errors before they cause bigger problemsFix Now →Outbyte Driver Updater FREEScan for outdated or missing drivers - takes under a minuteDriver Scan →To generate an e-invoice IRN, report the invoice details through an authorized Invoice Registration Portal (IRP). To cancel it, act within 24 hours of IRN generation; on IRIS IRP, use Manage > View Invoices, provide a reason and remark, and submit. If an active e-way bill is linked, cancel that first. The GST system and the IRP interface are related but not the same: the IRP registers the invoice and reports its data to the GST system.
What the IRN process does
An IRN, or Invoice Reference Number, is assigned after an IRP receives and validates reported invoice details. The IRP digitally signs the invoice and returns it with a signed QR code. The IRIS IRP FAQ describes the result this way: “On reporting, IRP will generate a unique ‘Invoice Reference Number (IRN)’, digitally sign it and return the e-invoice with QR code.” See the IRIS IRP FAQ.
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The registration step takes place on an authorized IRP, not through one universal GST Portal screen. Menu names and supported submission methods can vary by IRP, so use that portal’s current instructions.
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Choose a way to report the invoice
Use the route that fits your invoice volume and accounting setup. These are alternative workflows, not products every taxpayer needs.
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| Route | Best suited to | What to know |
|---|---|---|
| IRP invoice form | Occasional individual invoices | Enter and submit invoice details in the portal’s form. Confirm the current form and steps on the IRP you use. |
| Offline Excel utility or bulk upload | Preparing a batch of invoices | Use the official utility or upload option supported by the chosen IRP. Taxpayers without their own ERP or invoicing software can use the portal’s offline utility. |
| ERP or accounting-system API integration | An established workflow with recurring or higher-volume reporting | Connect through the IRP’s supported API route; check its current onboarding and integration requirements. |
The available submission routes are described in the IRP workflow information and taxpayer manual. The manual is marked draft and dated 27 January 2023, so do not rely on its screenshots as a guarantee of today’s interface.
How to cancel an IRN on IRIS IRP
The following menu path is for IRIS IRP; other IRPs may use different labels. The IRIS help page says an invoice must have an active IRN generated within the preceding 24 hours to be eligible. Its invoice list shows the past two days by default, but that display range does not extend the cancellation deadline. See IRIS IRP cancellation instructions.
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- Sign in to your IRIS IRP account and have the relevant GSTIN available.
- Open Manage > View Invoices.
- Find and select the invoice with the active IRN.
- Choose Cancel IRN.
- Select a cancellation reason and enter a remark. Both are mandatory.
- Submit the cancellation while the IRN is still within 24 hours of generation.
Check these conditions before cancelling
- Act within 24 hours: The cancellation period runs from IRN generation. After it expires, the IRP will not cancel the IRN.
- Cancel a linked active e-way bill first: The official FAQ requires cancellation of the associated e-way bill before the IRN can be cancelled.
- There is no in-place amendment: Details already reported to the IRP cannot be edited there. While the IRN is eligible, cancellation is the route for correcting a reported invoice.
- Cancellation leaves a record: It does not erase the fact that the e-invoice was generated, and the cancelled IRN cannot be reused for another invoice.
These conditions are set out in the official IRP FAQ.
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What to do if the 24-hour window has passed
Once the deadline has passed, do not expect to cancel the IRN through the IRP. The official FAQ points taxpayers toward making necessary changes through GSTR-1 as appropriate and cites a credit note for relevant cases. Which return or accounting treatment applies depends on the transaction and applicable GST rules; an IRP cancellation is not available as a substitute. Review the facts and current GST guidance for the specific case. See the GST correction guidance.
Quick Recap
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