The Congressional Research Service ("CRS") analyzed U.S. and international sanctions against Iran. In the report, CRS "tracks implementation of U.S. laws and Executive Orders as designations and imposition of sanctions." CRS acknowledged that it "has no way to independently corroborate whether any individual or other entity might be in violation of U.S. or international sanctions against Iran," and cautioned that it "has not obtained information from the executive branch indicating that ... property [subject to U.S. sanctions] has been blocked."
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