— July 25, 2011. Barred those under a UN travel ban, or who broke 29 executive orders covering transactions with terrorists.
— Aug. 4, 2012. Banned anybody involved in war crimes, or just about any other crime including human rights violations.
— April 23, 2012. Barred those helping Syria or Iran, or involved in human rights abuses for those governments.
— May 1, 2012. Another block on those helping Iran and Syria.
— April 3, 2014. Banned anyone known to threaten South Sudan.
— March 6, 2014 . Barred entry of those claiming government authority in the Crimea region of Ukraine.