Foreign nationals may be inadmissible if granting the foreign national a visa would cause potentially serious adverse foreign policy consequences for the US.
An alien whose entry or proposed activities in the United States the Secretary of State has reasonable ground to believe would have potentially serious adverse foreign policy consequences for the United States is inadmissible.
This section shall not apply to an alien who is an official of a foreign government or a purported government, or who is a candidate for election to a foreign government office during the period immediately preceding the election for that office, shall not be excludable or subject to restrictions or conditions on entry into the United States solely because of the alien’s past, current, or expected beliefs, statements, or associations, if such beliefs, statements, or associations would be lawful within the United States.
This section shall not apply to an alien because of the alien’s past, current, or expected beliefs, statements, or associations, if such beliefs, statements, or associations would be lawful within the United States, unless the Secretary of State personally determines that the alien’s admission would compromise a compelling United States foreign policy interest.