It is unlikely that Switzerland will throw open its doors or that Ms. Turner will come up in many tax conversations.

FORBES: Swiss Tina Turner Giving Up U.S. Passport

The DTCC said its CICI service, which launched today, is free and open to banks and vendors who can come in and download the information for free, said Bill Hodash, managing director of operations at DTCC.

FORBES: LEI -- 20 Characters In Search Of Authority