CBIC Clarifies DIN Not Mandatory for GST Portal Communications with RFN



Quick Summary
The Central Board of Indirect Taxes and Customs (CBIC) has issued a clarification stating that the Document Identification Number (DIN) is not required for official communications sent via the GST common portal, provided they already have a verifiable Reference Number (RFN). This update modifies previous circulars and aims to streamline processes by avoiding duplicate verifiable numbers on the same communication.

The Central Board of Indirect Taxes and Customs (CBIC) has issued Circular No. 249/06/2025-GST dated June 09, 2025, mandating the generation and quoting of Document Identification Number (DIN) on all communications issued by CBIC officers to taxpayers and other concerned parties. The directive requires that every notice, summons, letter, or any other official correspondence from CBIC officers to assessees must carry a system-generated DIN, making it digitally traceable and verifiable. The initi
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FAQ :

The CBIC has clarified that the Document Identification Number (DIN) is not mandatory for communications issued through the GST common portal if they already possess a verifiable Reference Number (RFN).

RFN stands for Reference Number, which is a verifiable number generated by the GST common portal for documents and summaries.

Quoting both DIN and RFN on the same communication, which are both electronically generated verifiable unique numbers, is considered unnecessary by the CBIC.

No, this clarification specifically applies to communications sent via the common portal that have a verifiable RFN, in compliance with Section 169 of the CGST Act, 2017.

Circular No. 122/41/2019-GST dated 05th November 2019 and Circular No. 128/47/2019-GST dated 23.12.2019 are modified to this extent.




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