Homeland Security Act of 2002(PDF - 187 pages, 610 KB) This Act established the Department of Homeland Security and set forth the primary mission of the Department.
Immigration and Nationality Act The Immigration and Nationality Act includes many provisions relating to the admission of aliens, the removal of aliens, grants of asylum, and the investigation of human trafficking.
Coast Guard Authorization Act of 2010 (Public Law 111-281)(PDF - 128 pages, 478 KB) In addition to other things, this Act reauthorizes a number of U.S. Coast Guard programs, addresses acquisition and workforce matters, and deals with port security.
Transportation Security
Aviation and Transportation Security Act (Public Law 107-71)(PDF - 51 pages, 175 KB) This Act established the Transportation Security Administration (TSA) and vested security functions previously performed by the Federal Aviation Administration in TSA, among other things.