The mere fact that the IRS has served a John Doe summons, made a treaty request or has taken similar action does not make every member of the John Doe class or group identified in the treaty request, or other action ineligible to participate.

FORBES: Foreign Asset Reporting Update

"The United States has never denied an extradition request from the UK under the treaty, " he said.

BBC: Extradition laws are 'fair', US ambassador tells MPs