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Government of IndiaMinistry of Finance
 Department of Revenue
 Central 
Board of Indirect Taxes and Customs
 (investigation-Customs)
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 Circular No. 37/2019
 
New Delhi, dated, 5th November 2019. 
To:
 All Principal Chief Commissioners of Customs,
 All Principal 
Director Generals,
 All Chief Commissioners of Customs,
 All Director 
Generals,
 All Principal Commissioners of Customs
 All Principal Additional 
Director Generals,
 All Commissioners of Customs
 All Additional Director 
Generals
 All Joint Secretaries/Commissioners, CBIC.
 
 Madam/Sir,
 
 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.
 
 In keeping 
with the Government’s objectives of transparency and accountability in indirect 
tax administration through widespread use of information technology,the CBIC is 
implementing a system for electronic (digital) generation of a Document 
Identification Number (DIN) for all communications sent by its offices to 
taxpayers and other concerned persons. To begin with,the DIN would be used for 
search authorization, summons, arrest memo, inspection noticesand letters issued 
in the course of any enquiry.This measure would create a digital directory for 
maintaining a proper audit trail of such communication. Importantly, it would 
provide the recipients of such communication a digital facility to ascertain 
theirgenuineness. Subsequently, the DIN would be extended to other 
communications. Also, there is a plan to have the communication itself bearing 
the DIN generated from the system.
 
 2. The Board in exercise of its power 
under section 151A of the Customs Act, 1962 directs that no search 
authorization, summons, arrest memo, inspection notices and letters issued in 
the course of any enquiry shall be issued by any officer under the Board to a 
taxpayer or any other person, on or after the 8th day of November, 2019 without 
a computer-generated Document Identification Number (DIN) being duly quoted 
prominently in the body of such communication.The digital platform for 
generation of DIN is hosted on the Directorate of Data Management (DDM)’s online 
portal “cbicddm.gov. in”
 
 3. Whereas DIN is a mandatory requirement, in 
exceptional circumstances communications may be issued without an auto generated 
DIN. However, this exception is to be made only after recording the reasons in 
writing in the concerned file. Also, such communication shall expressly state 
that it has been issued without a DIN. The exigent situations in which a 
communication may be issued without the electronically generated DIN are as 
follows:-
 
 (i) when there are technical difficulties in generating the 
electronic DIN, or
 
 (ii) when communication regarding 
investigation/enquiry, verification etc. is required to issued at short notice 
or in urgent situations and the authorized officer is outside the office in the 
discharge of his official duties.
 
 4. The Board also directs that any 
specified communication which does not bear the electronically generated DIN and 
is not covered by the exceptions mentioned in Para 3 above, shall be treated as 
invalid and shall be deemed to have never been issued.
 
 5. Any 
communication issued without an electronically generated DIN in the exigencies 
mentioned in paras 3 above shall be regularized within 15 working days of its 
issuance, by:
 
 (i) obtaining the post facto approval of the immediate 
superior officer as regards the justification of issuing the communication 
without the electronically generated DIN;
 
 (ii) mandatorily electronically 
generating the DIN after post facto approval; and
 
 (iii) printing the 
electronically generated pro-forma bearing the DIN and filing it in the 
concerned file.
 
 6. In order to implement this new facility of 
electronically generating the DIN, all Principal Chief Commissioners /Principal 
Director Generals/Chief Commissioners/Director Generals shall ensure that all 
their authorized officers who have to electronically generate the DIN are 
immediately mapped as users in the System and are conversant with the process 
for auto-generating a DIN. In order to successfully add users for the DIN 
utility and enable them to electronically generate DINs, the following steps 
shall be followed:
 
 (i) The details of officers to be added as users of 
the DIN Utility such as name, designation/Branch and official e-mail id shall be 
fedinto the System (the office of the officer being added will be auto 
populated);
 
 (ii) The dashboard (Manage User) is provided with 
add/activate/inactivate/delete and edit options which can be availed for namely 
adding, activating, inactivating, editing and deleting the users as follows:
 
 (a) Add:- Officers name/designation and branch can be added by selecting 
appropriate designation and branch from the drop down menu provided against the 
respective column.
 
 (b) Activate:- Once the user activates the URL and 
provides the user name and password and OTP, the authorization will be processed 
by the system and shall be reflected as Green Radio button.
 
 (c) 
Inactivate:-Any already added user who may be diverted on temporary basis to 
attend to some other assignment in the case of administrative exigency, can be 
deactivated for time being by dragging the Green Radio button to the left by 
which it will become red in colorshowing the user’s position as inactive. A 
confirmation e-mail will also be sent to the respective user.
 
 (d) Edit:- 
This icon will always appear with Red Radio button (indicating the inactive 
position of the user) and is provided for modifying/editing the 
name/designation/branch/e-maid Id of the officer to be authorized.
 
 (e) 
Delete:- This icon can be used for deleting the already added user profile if 
the officer is permanently transferred out from that office.
 
 7. Officers 
who have been added as users in the DIN utility shall electronically generate 
DINs, as follows:
 
 (i) Every authorized user shall receive an e-mail on 
his official e-mail Id after he/she is mapped into the DIN utility. This e-mail 
shall provide the user of his/her user name and password. The same e-mail shall 
also provide an URL online link.
 
 (ii) After clicking on the said URL 
link, the user shallbe guided to the DIN utility within CBIC-Sanchar on the 
DDM’s online portal “cbicddm.gov.in”.
 
 (iii) The user shall be required to 
submit his/her mobile number on the screen pagefor purposes of verification and 
then click “Get OTP” button for receiving a One Time Password (OTP) on the 
mobile.
 
 (iv) The user shall login to the DIN utility by entering the OTP 
received.
 
 (v) After successfully logging in, the user shall see the 
Dashboard displaying different categories, for total number of summons, search 
authorizations, inspection notices and arrest memos issued by the user. 
Initially, the figures under each category shall be ‘zero’.
 
 (vi) The user 
shall click “Generate DIN” on the Menu Bar located at the left hand side of the 
screen and enter the details of the communication to be issued by choosing its 
category and selecting the appropriate title of the communication from the 
dropdown menu “Choose Document”
 
 (vii) After filling in all the required 
information, and clicking on the “View & Save DIN” button, the user shall see a 
preview page. By clicking the “Back button”, mistakes or typographical errors, 
if any, can be rectified. Also, the user has the option of partially entering 
details in the System at a time and coming back later to retrieve the partially 
entered document (automatically saved in the System), fill in the remaining 
details, and generate a DIN on a later occasion.
 
 (viii) The last step is 
to click on the “Generate DIN” button and a DIN shall be generated for that 
particular communication by the System. The generated DIN cannot be edited.
 
 (ix) A new DIN shall be generated each time a request for generating it is 
submitted to the System.
 
 (x) After the DIN is generated, the user shall 
print the page bearing the DIN and file it in the concerned file while also 
quoting the DIN on the communication.
 
 DIN on the communication
 
 8. 
The genuineness of the communication can be ascertained by recipient (public) by 
entering the CBIC- DIN for that communication in a window VERIFY CBIC-DIN on 
CBIC’s website www.cbic.qov.in. Only in those cases where the DIN entered is 
valid, information about the office that issued that communication and the date 
of generation of its DIN would be displayed on the screen.
 
 9. As 
aforementioned, in the first phase beginning on 8th day of November, 2019, the 
“Generate DIN” option shall be used for Search Authorizations, Summons, 
Inspection
 
 Notices, Arrest Memos, and letters issued in the course of any 
enquiry. The format of the DIN shall be CBIC-YYYY MM ZCDR NNNNNN where,
 
 (a) YYYY denotes the calendar year in which the DIN is generated,
 
 (b) MM 
denotes the calendar month in which the DIN is generated,
 
 (c) ZCDR 
denotes the Zone-Commissionerate-Division-Range Code of the field 
formation/Directorate of the authorized user generating the DIN,
 
 (d) 
NNNNNN denotes 6 digit alpha-numeric system generated random number.
 
 10. 
The electronic generation of DIN and its use in official communications to 
taxpayers and other concerned persons is a transformative initiative. Principal 
Chief Commissioners/Principal Director Generals / Chief Commissioners/Director 
Generals must become fully familiar with the process involved. They are also 
urged to ensure that adequate and proper training is provided to all concerned 
officers under their charge to ensure its successful implementation. It is 
reiterated that any specified document that is issued without the electronically 
generated DIN shall be treated as invalid and shall be deemed to have never been 
issued. Therefore, it is incumbent upon all officers concerned to strictly 
adhere to these instructions.
 
 11. Hindi version to follows.
 
F. No. 394/39(14)/2018-Commr. (Inv.-Cus.)
 (M.G THAMIZH VALAVAN)
 Commissioner (Inv.-Cus.)
 
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