"Sec. 3.Issuance of visa, etc. No visa or other documentation shall be issued to any alien who seeks to enter the United States either as an immigrant or as a nonimmigrant if the consular officer knows or has reason to believe that such alien is inadmissible to the United States under this Act. The case of an alien within any of the categories enumerated in section 1 shall not be defined as an emergency case within the meaning of section 30 of the Alien Registration Act of 1940 (54 Stat. 673; 8 U.S.C. 451).
"Sec. 4.Deportation. (a) Any alien who was at the time of entering the United States, or has been at any time thereafter, a member of any one of the classes of aliens enumerated in section 1 (1) or section 1 (3) of this Act or (except in the case of an alien who is legally in the United States temporarily as a nonimmigrant under section 3 (1) or 3 (7) of the Immigration Act of 1924, as amended43 Stat. 154; 59 Stat. 672.
8 U.S.C. §203 (1), (7).) a member of any one of the classes of aliens enumerated in section 1 (2) of this Act, shall, upon the warrant of the Attorney General, be taken into custody and deported in the manner provided in the Immigration Act of February 5, 1917
39 Stat . 874.
8 U.S.C. §150 note; Sup. III, ° 102 et seq.
Post, p. 1010.. The provisions of this section shall be applicable to the classes of aliens mentioned in this Act, irrespective of the time of their entry into the United States.
"(b) The Attorney General shall, in like manner as provided in subsection (a) of this section, take into custody and deport from the United States any alien who at any time, whether before or after the effective date of this Act, has engaged, or has had a purpose to engage, in any of the activities described in paragraph (1) or in any of the subparagraphs of paragraph (3) of section 1, unless the Attorney General is satisfied, in the case of any alien who engaged in any activity within category (C) of paragraph (3) of section 1 that such alien did not know or have reason to believe at the time such alien became a member of or affiliated with the organization referred to in category (C) of paragraph (3) of section 1 (and did not thereafter and prior to the date upon which such organization was registered or required to be registered under section 7 of the Subversive Activities Control Act of 1950Ante, p. 993. acquire such knowledge or belief) that such organization was a Communist organization.
"Sec. 5.Temporary exclusion, etc. Notwithstanding the provisions of sections 16 and 17 of the Immigration Act of February 5 . 1917, as amended (39 Stat . 885-887 ; 8 U.S.C. 152, 1538 U.S.C., Sup. III, §152.), which relate to boards of special inquiry and to appeal from the decisions of such boards, any alien who may appear to the examining immigration officer at the port of arrival to be excludable under section 1 shall be temporarily excluded, and no further inquiry by a board of special inquiry shall be conducted until after the case is reported to the Attorney General and such an inquiry is directed by the Attorney General . If the Attorney General is satisfied that the alien is excludable under section 1 on the basis of information of a confidential nature, the disclosure of which would be prejudicial to the public interest, safety, or security, he may deny any further inquiry by a board of special inquiry and order such alien to be excluded and deported.
"Sec. 6. (a) The provisions of the seventh proviso to section 3 of the Immigration Act of February 5, 1917, as amended (39 Stat. 875 ; 8 U.S.C. 136), relating to the admission of aliens to the United States, shall have no application to cases falling within the purview of section 1 of this Act.
"(b) The provisions of the ninth proviso to section 3 of the Immigration Act of February 5, 1917, as amended (39 Stat . 875 ; 8 U.S.C. 136), relating to the temporary admission of aliens to the United States, shall have no application to cases falling within the purview of section 1 (1) and 1 (3) of this Act. Report to Congress.The Attorney General shall make