White House Extends 9/11 National Emergency
http://www.whitehouse.gov/the_press_office/Notice-of-continuation-from-the-President-regarding-the-emergency-declared-with-respect-to-the-September-11-2001-terrorist-attacks/
http://lawprofessors.typepad.com/conlaw/2009/09/white-house-extends-911-national-emergency.html