Implementation and Verification of Document Identification Number (DIN) and Reference Number (RFN) in CBIC Communications

Last updated: 10 June 2025

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The Central Board of Indirect Taxes and Customs (CBIC) is reinforcing the use of Document Identification Numbers (DIN) and Reference Numbers (RFN) in all communications with taxpayers. This initiative, building on previous circulars, aims to increase accountability and transparency by leveraging technology. Taxpayers can now verify these numbers through the GST common portal, accessing details like generation date and issuing office.

Government of India
Ministry of Finance
Department of Revenue
(Central Board of Indirect Taxes and Customs)

New Delhi, Dated - 09-06-2025.

Subject: Generation and quoting of Document Identification Number(DIN) on any communication issued by the officers of the Central Boardof Indirect Taxes and Customs (CBIC) to tax payers and other concernedpersons- reg.

Attention is invited to Board's Circular No. 122/41/2019-GST dated 05t hNovember 2019 and 128/47/2019-GST dated 23.12.2019, which were issued for implementation of decision regarding Generation and Quoting of Document Identification Number (DIN),initially on specified documents and subsequently expanded to all communications(including e-mails) sent to taxpayers and other concerned persons by any office of CBIC.This was done with a view to leverage technology for greater accountability and transparency in communications with the trade/taxpayers/ other concerned persons.

2.It has been brought to the notice of the Board that the documents and summary generated through the common portal of GST always bear a Reference No.(RFN), which is verifiable through the portal(a t https://services.gst.gov.in/services/verify Rfn).On verification,the portal provides details of the document such as Date of RFN generation, Date of issuingthe Document, Module, Type of Communication and Name of the Office issuing the Document.

Official copy of the circular has been attached

FAQ :

The purpose is to leverage technology for greater accountability and transparency in communications between the CBIC, taxpayers, and other concerned persons.

You can verify the RFN on the common portal of GST at https://services.gst.gov.in/services/verifyRfn.

Upon verification, the portal provides details such as the date of RFN generation, the date of issuing the document, the module, the type of communication, and the name of the office issuing the document.

Yes, the implementation has been expanded to cover all communications, including emails, sent to taxpayers and other concerned persons by any office of the CBIC.

The relevant previous circulars are Board's Circular No. 122/41/2019-GST dated 05th November 2019 and 128/47/2019-GST dated 23.12.2019.

Notification No : Circular No. 249/06/2025-GST
Source : https://taxinformation.cbic.gov.in/view-pdf/1003281/ENG/Circulars

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