Iran Sanctions: http://www.treasury.gov/resource-center/sanctions/Programs/pages/iran.aspx http://www.treasury.gov/resource-center/sanctions/Programs/p... Russ

Iran Sanctions: http://www.treasury.gov/resource-center/sanctions/Programs/pages/iran.aspx http://www.treasury.gov/resource-center/sanctions/Programs/p... Russia Sanctions: http://www.cnn.com/2014/07/16/politics/ukraine-russia-sanctions/index.html http://www.cnn.com/2014/07/16/politics/ukraine-russia-sancti... Also, USD cash is more fungible than electronic USD.