DIN Number Mandatory on Documents from 08.11.2019 : CBIC Circular No 122/2019
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. Circular No 122/2019 Dated 05.11.2019 Download Click here