The document discusses the Document Identification Number (DIN), a unique number required for communications from CBIC to ensure transparency and accountability. It outlines the purpose of DIN in maintaining audit trails and provides exceptions for its omission under specific urgent circumstances. The exceptions include technical issues in DIN generation and urgent communications when officers are unavailable.

1. Document Identification Number (“DIN”) to be
quoted on all communications from CBIC

3. In this article, we will discuss in detail about Document
Identification Number (DIN) in FAQs form:
• 1. What is Document Identification
Number (DIN)?
•
Document Identification Number or
DIN is a unique number to be
generated for all the communications
sent by offices of CBIC to taxpayers
or other concerned person.
•

4. 2. What is the requirement to implement Document
Identification Number?
• DIN is getting implemented to keep government’s
objective of transparency and accountability.
• Through DIN, system will create a digital
directory for maintaining proper audit trails
of all communications.
• Considerably, it will provide recipient of
communication a digital facility to determine
genuineness of communication

5. Is there any exceptional situation provided wherein communication can be
issued without generating DIN?
• Yes, even though DIN is a mandatory requirement,
circular provides for 2 exigent circumstances
wherein document can be issued without mentioning
DIN:
• Situation 1:When concern officer is facing
technical glitch in generation of electronic DIN
• Situation 2: when communication regarding
investigation/enquiry, verification etc is
required to be issued at short notice or on urgent
basis and the concerned officer is outside the
office in discharge of his official duties.
• However, such exception can be exercised after
recording the reasons for the same in writing in
the concerned file.