Notice No.   20220713-40   Notice Date   13 Jul 2022
Category   Trading   Segment   Equity
Subject   Processing of ASBA applications in Public Issue of Equity Shares and Convertibles
Attachments   Annexure II.docx ; Annexure I - IBBS_formats_Equity_Banks.xls ;

This is in continuation of notice no. 20220624-18 dated Jun 24, 2022, Self-Certified Syndicate Banks (SCSBs) are requested to note that the Exchange shall now accept the bids from SCSBs only with prefix of “D” or “S” for indication of Bank/ Direct ASBA bids or Syndicate ASBA bids in the field “ASBA Block Reference Number (Phase II). The same shall be mandatory for public issues opening on or after September 01, 2022.


Self-Certified Syndicate Banks (SCSBs) are requested to note that Banks shall process and upload the ASBA applications in Public Issues on the Exchange platform only after the application monies are blocked in the investor’s bank accounts.


The Exchange has made the following changes for Bank ASBA/ Direct ASBA bidding on the iBBS platform (internet-based book building software of BSE):


1.       The present “Bank Reference Number” Field is renamed as “ASBA Block Reference Number”

2.       The length of the field “ASBA Block Reference Number” shall be 60 characters

3.       Special Characters are allowed in “ASBA Block Reference Number” except the following Special Characters:

a.        ,

b.      |

c.       ~

d.      %

e.       &


4.       The field “ASBA Block Reference Number” shall be Alphanumeric

5.       The field “ASBA Block Reference Number” shall be made mandatory field

6.       The ASBA Block Reference Number for Bank / Direct ASBA should commence with a prefix “D” and Syndicate ASBA with a prefix “S” to differentiate between Bank/ Direct ASBA and Syndicate ASBA bids

7.       No Bid shall be uploaded by SCSBs on the Exchange platform without the ASBA Block Reference Number


Banks (SCSBs) can place bids on the Exchange platform from the following three modes:

  • Entry through login Bid Screen – Single entry
  • Bids Upload through – File Upload facility – Multiple Entries
  • Bids placement through API Integration


The revised file format pursuant to above changes is attached herewith as Annexure I.


The Exchange has made the necessary changes on its iBBS platform (internet base book building software of BSE) and mock session is on till Friday July 29, 2022 on UAT Server to familiarizes SCSBs about the above changes.


The Issue Parameter for MOCK Session/ Testing is attached herewith for information as Annexure II.


Self Certified Syndicate Banks (SCSBs) are requested to participate in mock session which is available on UAT Server of BSE.



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Sandeep Pujari                                                           Atul Dhotre

DGM- Trading Operations                                         Manager - Listing Sales