DIN Requirement for Communications through CBIC eOffice

Circular No. 252/09/2025 -GST dated September 23, 2025
Applicable Act/Rule: Central Goods and Services Tax Act, 2017

The Central Board of Indirect Taxes and Customs (CBIC) has issued this circular to clarify the requirement of Document Identification Number (DIN) in communications sent via CBIC’s eOffice. Earlier, DIN was required to be quoted on all communications to taxpayers, unless such communications were issued through the GST common portal with a Reference Number (RFN).

An online verification utility has now been developed at https://verifydocument.cbic.gov.in, enabling taxpayers and stakeholders to authenticate eOffice communications using the automatically generated Issue number. The utility confirms details such as file number, date of issue, type of communication, issuing office, and masked recipient details.

As the eOffice Issue number itself is verifiable, SEBI has clarified that quoting a separate DIN on such eOffice communications is no longer required. The Issue number shall be deemed as the DIN for these communications. However, for communications not dispatched using eOffice public option or not bearing RFN from the GST portal, quoting DIN remains mandatory.

To this extent, Circulars No. 122/41/2019-GST (November 5, 2019), 128/47/2019-GST (December 23, 2019), and 249/06/2025-GST (June 9, 2025) stand modified.

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