Six months after removing tough sanctions against Tehran in exchange for limits on its nuclear program, Washington is offering businesses additional clarity on when they might run afoul of the complex measures that remain in place. But while the new guidelines issued by the US Treasury Department Wednesday are designed to address some of the most common concerns, the agency stopped well short of reversing its stance on tough financial measures, such as the prohibition on foreign banks using the US financial system for dealings with Iran (OD May11'16).
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