https://www.taxtmi.com/circulars?id=63061 CBIC mandates electronic generation and prominent quoting of a Document Identification Number (DIN) on search authorizations, summons, arrest memos, inspection notices and enquiry letters from 8 November 2019 via the DDM portal; unauthorized communications without DIN (unless explained and later regularized within 15 working days) are invalid. Limited exceptions for technical or urgent field exigencies require written reasons and post-facto approval, after which the DIN must be electronically generated, printed and filed. Users are mapped, authenticated by OTP, use a dashboard to generate non-editable DINs, and recipients may verify DINs on the CBIC website. en-us Tue, 05 Nov 2019 00:00:00 +0530 Wed, 11 Feb 2026 15:58:47 +0530 TaxTMI RSS Generator https://www.taxtmi.com/circulars?id=63061 CBIC mandates electronic generation and prominent quoting of a Document Identification Number (DIN) on search authorizations, summons, arrest memos, inspection notices and enquiry letters from 8 November 2019 via the DDM portal; unauthorized communications without DIN (unless explained and later regularized within 15 working days) are invalid. Limited exceptions for technical or urgent field exigencies require written reasons and post-facto approval, after which the DIN must be electronically generated, printed and filed. Users are mapped, authenticated by OTP, use a dashboard to generate non-editable DINs, and recipients may verify DINs on the CBIC website. Circulars Service Tax Tue, 05 Nov 2019 00:00:00 +0530 https://www.taxtmi.com/circulars?id=63061