Security Grounds of Inadmissibility—INA § 212(a)(3)

An individual can be denied admission for security reasons where there is knowledge or reasonable grounds to believe that he or she seeks to enter the U.S. to engage solely, principally, or incidentally in:

• Any activity to violate any law of the U.S. relating to sabotage or espionage, or to violate or evade any law prohibiting the export of technology, sensitive information, or goods;
• Any activity in which the purpose is to overthrow the government by force or unlawful means; or
• “Any other unlawful activity.”

Terrorism—INA § 212(a)(3)(B)

An individual is inadmissible based on actual or suspected terrorist activity for any of the following:

• Engaging in terrorist activity;
• Reason to believe individual has engaged, or is likely to engage, in terrorist activity;
• Incited terrorist activity, indicating an intention to cause death or serious bodily injury;
• Is a representative of a terrorist organization;
• Endorses or espouses terrorist activity or persuades others to do so;
• Received military-type training from, or on behalf of, an organization that was a terrorist organization at the time of the training;
• Is the spouse or child of a foreign national who is inadmissible under this section if the individual’s activity occurred in the last five years.

Association with Terrorist Organization—INA § 212(a)(3)(F)

Any foreign national who is determined to be associated with a terrorist organization and intending to engage in any activities that would endanger the welfare, safety, or security of the U.S. is inadmissible.

Foreign Policy—INA § 212(a)(3)(C)

An individual is inadmissible if there is a reasonable belief that his or her entry would have potentially negative foreign policy consequences for the U.S.