So far, the US action had been primarily focused against tax cheaters on Switzerland.
"While the (Justice) Department's initial efforts and this hearing have focused on Switzerland, we have expanded our investigations to go after tax cheats and the banks assisting them in India, Israel, Liechtenstein, Luxembourg, and several Caribbean countries," the Deputy Attorney General, James M Cole, told a Congressional committee on Wednesday.
Since 2009, the Department has publicly charged 73 account holders and 35 professionals with violations arising from their offshore banking activities, and 72 individuals have plead guilty or were convicted at trial, he said.
"Just as importantly our enforcement efforts have driven over 43,000 taxpayers with secret offshore accounts to identify themselves to the IRS disclose their offshore accounts, and to pay a total of over $6 billion in back taxes, penalties and interest.
And that number is growing," he said.
Cole said in 2013, the Department obtained four separate orders authorising the Internal Revenue Service to issue John Doe summonses seeking records from banks in the United States for the US correspondent accounts of banks located
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