Page:Subversive Activities Control Act, 1950 (McCarran Internal Security Act) (PL 81–831, 64 Stat. 987).pdf/21

 64 under section 7 of the Subversive Activities Control Act of 1950, unless such aliens establish that they did not know or have reason to believe at the time they became members of or affiliated with such an organization (and did not thereafter and prior to the date upon which such organization was so registered or so required to be registered acquire such knowledge or belief) that such organization was a Communist organization.
 * "(F) Aliens who advocate or teach or who are members of or affiliated with any organization that advocates or teaches (i) the overthrow by force or violence or other unconstitutional means of the Government of the United States or of all forms of law; or (ii) the duty, necessity, or propriety of the unlawful assaulting or killing of any officer or officers (either of specific individuals or of officers generally) of the Government of the United States or of any other organized government, because of his or their official character; or (iii) the unlawful damage, injury, or destruction of property; or (iv) sabotage;
 * "(G) Aliens who write or publish, or cause to be written or published, or who knowingly circulate, distribute, print, or display, or knowingly cause to be circulated, distributed, printed, published, or displayed, or who knowingly have in their possession for the purpose of circulation, publication, or display, any written or printed matter, advocating or teaching opposition to all organized government, or advocating (i) the overthrow by force or violence or other unconstitutional means of the Government of the United States or of all forms of law; or (ii) the duty, necessity, or propriety of the unlawful assaulting or killing of any officer or officers (either of specific individuals or of officers generally) of the Government of the United States or of any other organized government; or (iii) the unlawful damage, injury, or destruction of property; or (iv) sabotage; or (v) the economic, international, and governmental doctrines of world communism or the economic and governmental doctrines of any other form of totalitarianism.
 * "(H) Aliens who are members of or affiliated with any organization that writes, circulates, distributes, prints, publishes, or displays, or causes to be written, circulated, distributed, printed, published, or displayed, or that has in its possession for the purpose of circulation, distribution, publication, issue, or display, any written or printed matter of the character described in subparagraph (G).
 * "(3) Aliens with respect to whom there is reason to believe that such aliens would, after entry, be likely to (A) engage in activities which would be prohibited by the laws of the United States relating to espionage, sabotage, public disorder, or in other activity subversive to the national security ; (B) engage in any activity a purpose of which is the opposition to, or the control or overthrow of, the Government of the United States by force, violence, or other unconstitutional means ; or (C) organize, join, affiliate with, or participate in the activities of any organization which is registered or required to be registered under section 7 of the Subversive Activities Control Act of 1950.

" The provision of paragraph (2) of section 1 shall not be applicable to any alien who is seeking to enter the United States temporarily as a nonimmigrant under section 3 (1) or 3 (7) of the Immigration Act of 1924, as amended (43 Stat. 153 ; 8 U.S.C. 201).