On New Year’s Eve, President Obama signed the annual defense authorization bill. Buried deep within this massive legislation were new restrictive sanctions against Iran’s financial structure. These new sanctions not only seek to ban Iran’s central bank from the US financial system but also seek to force anyone (including the central banks of other foreign countries) to choose between maintaining ties with the US financial system or doing business with Iran.View full memo, "US Ratchets up Economic Sanctions Targeting Iran’s Central Bank and Its Crude Oil Exports"