IRN: Invoice Reference Number
IRN, or Invoice Reference Number, is a unique number assigned by the government to identify every legal e-invoice created in India beginning in October 2020. In basic terms, when an invoice is sent to the Invoice Registration Portal (IRP), the government provides a unique number to that invoice using the hash algorithm under e-invoicing. A hash algorithm is a function that turns a message or string of characters (alphabets + numerals + certain special characters) into a series of numbers.
How to generate an INR
STEP 1: Creation of invoice
The supplier is required to prepare standard invoices using the ERP/accounting software. However, the supplier must verify that all mandatory e-invoice schema parameters, such as-
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