CBIC Clarifies DIN Not Required on GST Portal Communications with Verifiable RFN [Read Circular]

In a recent clarification issued via Circular No. 249/06/2025-GST dated 9th June 2025, the Central Board of Indirect Taxes and Customs ( CBIC ) has confirmed that Document Identification Number ( DIN ) is not required to be quoted on communications generated through the GST common portal, provided such documents already carry a Reference Number ( RFN ) that is verifiable online.

According to Circular Nos. 122/41/2019-GST and 128/47/2019-GST, CBIC had previously required the creation and quoting of DIN for all communications sent by its officers in order to maintain transparency and accountability.

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However, with the introduction of the GST portal’s automated system, most notices, orders, and communications generated digitally already contain a unique RFN. This RFN can be verified by taxpayers and other stakeholders using the GST portal’s verification service at https://services.gst.gov.in/services/verifyRfn, which provides key details including the date of issuance, type of document, and issuing office.

The board has now acknowledged that the simultaneous presence of both DIN and RFN on the same document leads to duplication of verifiable identifiers. Hence, to avoid redundancy, it has been clarified that communications issued via the GST common portal bearing an RFN shall not require DIN, and such documents shall be treated as valid and authentic.

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This clarification is in accordance with CGST Act, 2017 Section 169(1)(d), which recognizes uploading communications to the common site as a valid form of service. Additionally, CBIC restated its previous directives to electronically serve summaries of show cause notices (DRC-01) and orders (DRC-07) through the portal in order to guarantee adherence to Rule 142 of the CGST Rules.

With this update, the earlier DIN-related Circulars stand modified to the stated extent.

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