United States Code, 2006 edition. Supplement 5: containing the general and permanent laws of the United States enacted during the 110th and 111th Congresses and 112th Congress, first session, January 4, 2007, to January 3, 2012 / prepared and published under authority of Title 2, U. S. Code, Section 285b, by the Office of the Law Revision Counsel of the House of Representatives