GST
Duplicate invoice number rejected by e-invoice portal
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Facts
The IRN is built from your GSTIN, document type, document number and financial year. If that number was already used for an IRN that year, the IRP rejects it as a duplicate.
Provisions and law
- Rule 48(4), CGST Rules 2017E-invoice details uploaded to the IRP
- Rule 46(b), CGST Rules 2017Serial number in one or more series using letters, numbers, hyphen and slash, up to 16 characters, unique for the financial year
Analysis
Check whether the number was used earlier, for example in a test or a cancelled IRN. A cancelled IRN's number cannot be reused. Issue the invoice with a fresh number.
Conclusion
- Search the IRP for the document number.
- If already used, assign a new number.
- Fix the software sequence.
- Generate the IRN again.
A Savvy can do this for you
Invoice series, numbering and document summary (GSTR-1 Table 13)
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