The Bombay Stock Exchange, on 12 October 2015, started to conduct self-trade prevention checks based on the Permanent Account Number (PAN) of investors trading on its equity platform as well as currency derivatives segment. • BSE has asked its trading members to verify the PAN details of clients registered in the exchange's UCC (Unique Client Code) system. • PAN-based self-trade prevention checks were introduced by BSE in its equity derivative segment in September 2015.