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Duplicate IRN

Cause

This error occurs when you try to generate an e-Invoice with an IRN, that is already used in another e-Invoice.

Resolution

Use Get IRN to fetch the existing IRN details from the portal.

Scenario 1: The IRN already exists for the invoice

If the IRN has already been generated for the invoice, then you need not generate the e-Invoice again.

If the voucher is deleted in TallyPrime, it is recommended that you record the same transaction again instead of creating a new invoice.

You need to raise a Credit Note against the voucher and then generate a new e-Invoice.

1. Open the Credit Note in Item Invoice mode.
   1. Press Alt+G (Go To) > Create Voucher > press F10 (Other Vouchers) > Credit Note > and press Enter.
   2. Press Ctrl+H (Change Mode) > select Item Invoice.
2. Specify the buyer details, as needed.
3. Select the Sales ledger and provide the stock item details.
4. In the Bill-wise Details for screen, select Agst Ref as Type of Ref and select the rejected e-Invoice.
5. Set Provide e-Invoice details to Yes and in the e-Invoice Details screen, specify the Bill to and Ship to places.
6. Save the voucher and generate the e-Invoice online.

Scenario 2: The IRN is not available or cannot be retrieved

If the IRN is not available for the invoice then proceed based on the following time period.

Within 72 hours of generating e-Invoice:

Record a new transaction with a separate voucher number and generate the e-Invoice.

1. Press Alt+G (Go To) > Create Voucher > F8 (Sales), and press Ctrl+H to choose the Item Invoice mode.
2. If you have multiple registrations, press F3 (Company/Tax Registration) and select the Registration under which you want to create the voucher.
   For TallyPrime 2.1 or earlier, multiple registrations are not applicable.
3. Enter the Voucher No. and Date.
   Avoid starting invoice numbers with zero (0), a slash (/), or a hyphen (-), as these are rejected by the IRP.
4. Enter the Buyer details.
5. Set Provide e-Invoice details to Yes and in the e-Invoice Details screen, specify the Bill to and Ship to places.
6. Save the voucher and generate the e-Invoice online.

After 72 hours of generating e-Invoice:

• Record another transaction again instead of creating a new invoice. You need to raise a Credit Note against the voucher and then generate a new e-Invoice.