Government of India Ministry of Finance Department of Revenue (Central Board of Indirect Taxes and Customs) Subject: Generation and quoting of Document Identification Number (DIN) on any communication issued by the officers of the Central Board of Indirect Taxes and Customs (CBIC) to tax payers and other concerned persons- reg. Attention is invited to Board’s Circular No. 122/41/2019- GST dated 05th November 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 c.......