Amends the Immigration and Nationality Act to redefine "terrorist organization" for purposes of the alien terrorist exclusion as an organization of two or more individuals engaged in terrorist activities whose activities threaten the security of U.S. nationals or U.S. national security, as determined by the Secretary of State independently or upon the request of the Attorney General or the Secretary of Homeland Security.
States that the Secretary of State's failure to determine that a group threatens the security of U.S. nationals or national security shall not affect the application of any of the other security and terrorism-related bars on admission to any of the group's members.
Redefines "engage in terrorist activity" for purposes of alien terrorist exclusion to provide an undue coercion or duress exception with respect to providing terrorists with material support.