

However, the taxpayers having more than Rs.500 crores turnover have been given a grace period of 30 days from 1st October 2020 for generating an IRN. The IRN generation will be required at the time of issuing the invoice or credit note or debit note by the seller. When is the Invoice Reference Number (IRN) generated? The financial year in ‘YYYY-YY’ format.This algorithm will beĪpplied to the following three parameters: ‘hash’) using a hash generation algorithm. IRN is generated by converting characters into numbers (also called What are the parameters used to generate Invoice Reference Number (IRN)? The GSTN will prescribe this algorithm as part of the e-invoicing String consisting of characters (alphabets + numbers + certain specialĬharacters) into a series of numbers such that the resulting numbers What is the hash generation algorithm in IRN?Ī hash generation algorithm is a function that converts a message or a It will, in turn, help them check the invoice even where internet may not be accessible. The tax officers can verify the genuineness of the transaction using invoice reference number through the central portal as well as an offline app. This number shall be unique for every invoice raised in a financial year by a GSTIN in the entire GST system.įurther, every invoice being issued by supplier to his recipient must contain the IRN. For every document such as an invoice or debit or credit note to be submitted on the Invoice Regsitration Portal, a 64 character invoice reference number shall be generated.

The Invoice Reference Number (IRN) is a unique number (also known as hash) generated by the Invoice Registration Portal (IRP) using a hash generation algorithm, under the e-invoicing system. What is an Invoice Reference Number (IRN)? The CBIC has issued a notification seeking to waive the penalty imposed on non-compliance of dynamic QR code provisions for B2C invoices between 1st December 2020 and 30th June 2021, provided the said person complies with the provisions of the said notification from 1st July 2021. The CBIC has issued a notification seeking to waive the penalty imposed on non-compliance of dynamic QR code provisions for B2C invoices between 1st December 2020 and 30th September 2021.ĬBIC has notified vide Central Tax Notification no.23 dated 1st June 2021 that the e-invoicing system shall not apply to a government department and local authority.
