Public law 414 chapter 2 section 212
https://www.gpo.gov/…/p…/STATUTE-66/pdf/STATUTE-66-Pg163.pdf

GENERAL CLASSES OF ALIENS INELIGIBLE TO RECEIVE VISAS AND EXCLUDED FROM ADMISSION

SEC. 212. (a) Except as otherwise provided in this Act, the following classes of aliens shall be ineligible to receive visas and shall be excluded from admission into the United States:

(1) Aliens who are feeble-minded;

(2) Aliens who are insane;

(3) Aliens who have had one or more attacks of insanity;

(4) Aliens afflicted with psychopathic personality, epilepsy, or a mental defect;

(5) Aliens who are narcotic drug addicts or chronic alcoholics;

(6) Aliens who are afflicted with tuberculosis in any form, or with leprosy, or any dangerous contagious disease;

(7) Aliens not comprehended within any of the foregoing classes who are certified by the examining surgeon as having a physical defect, disease, or disability, when determined by the consular or immigration officer to be of such a nature that it may affect the ability of the alien to earn a living, unless the alien affirmatively establishes that he will not have to earn a living;

(8) Aliens who are paupers, professional beggars, or vagrants;

(9) Aliens who have been convicted of a crime involving moral turpitude (other than a purely political offense), or aliens who admit having committed such a crime, or aliens who admit committing acts which constitute the essential elements of such a crime; except that aliens who have committed only one such crime while under the age of eighteen years may be granted a visa and admitted if the crime was committed more than five years prior to the date of the application for a visa or other documentation, and more than five years prior to date of application for admission to the United States, unless the crime resulted in confinement in a prison or correctional institution, in which case such alien must have been released from such confinement more than five years prior to the date of the application for a visa or other documentation, and for admission, to the United States;

(10) Aliens who have been convicted of two or more offenses (other than purely political offenses), regardless of whether the conviction was in a single trial or whether the offenses arose from a single scheme of misconduct and regardless of whether the offenses involved moral turpitude, for which the aggregate sentences to confinement actually imposed were five years or more;

(11) Aliens who are polygamists or who practice polygamy or advocate the practice of polygamy;

(12) Aliens who are prostitutes or who have engaged in prostitution, or aliens coming to the United States solely, principally, or incidentally to engage in prostitution; aliens who directly or indirectly procure or attempt to procure, or who have procured or attempted to procure or to import, prostitutes or persons for the purpose of prostitution or for any other immoral purpose; and aliens who are or have been supported by, or receive or have received, in whole or in part, the proceeds of prostitution or aliens coming to the United States to engage in any other unlawful commercialized vice, whether or not related to prostitution;

(13) Aliens coming to the United States to engage in any immoral sexual act;

(14) Aliens seeking to enter the United States for the purpose of performing skilled or unskilled labor, if the Secretary of Labor has determined and certified to the Secretary of State and to the Attorney General that

(A) sufficient workers in the United States who are able, willing, and qualified are available at the time (of application for a visa and for admission to the United States) and place (to which the alien is destined) to perform such skilled or unskilled labor, or

(B) the employment of such aliens will adversely affect the wages and working conditions of the workers in the United States similarly employed. The exclusion of aliens under this paragraph shall apply only to the following classes:

(i) those aliens described in the nonpreference category of section 203 (a) (4),

(ii) those aliens described in section 101 (a) (27) (C), (27) (D), or (27) (E) (other than the parents, spouses, or children of United States citizens or of aliens lawfully admitted to the United States for permanent residence), unless their services are determined by the Attorney General to be needed urgently in the United States because of the high education, technical training, specialized experience, or exceptional ability of / such immigrants and to be substantially beneficial prospectively to the national economy, cultural interest or welfare of the United States;

(15) Aliens who, in the opinion of the consular officer at the time of application for a visa, or in the opinion of the Attorney General at the time of application for admission, are likely at any time to become public charges;

(16) Aliens who have been excluded from admission and deported and who again seek admission within one year from the date of such deportation, unless prior to their reembarkation at a place outside the United States or their attempt to be admitted from foreign contiguous territory the Attorney General has consented to their reapplying for admission;

(17) Aliens who have been arrested and deported, or who have fallen into distress and have been removed pursuant to this or any prior act, or who have been removed as alien enemies, or who have been removed at Government expense in lieu of deportation pursuant to section 242 (b), unless prior to their embarkation or reembarkation at a place outside the United States or their attempt to be admitted from foreign contiguous territory the Attorney General has consented to their applying or reapplying for admission;

(18) Aliens who are stowaways;

(19) Any alien who seeks to procure, or has sought to procure, or has procured a visa or other documentation, or seeks to enter the United States, by fraud, or by willfully misrepresenting a material fact;

(20) Except as otherwise specifically provided in this Act, any immigrant who at the time of application for admission is not in possession of a valid unexpired immigrant visa, reentry permit, border crossing identification card, or other valid entry document required by this Act, and a valid unexpired passport, or other suitable travel document, or document of identity and nationality, if such document is required under the regulations issued by the Attorney General pursuant to section 211 (e) ;

(21) Except as otherwise specifically provided in this Act, any quota immigrant at the time of application for admission whose visa has been issued without compliance with the provisions of section 203;

(22) Aliens who are ineligible to citizenship, except aliens seeking to enter as nonimmigrants; or persons who have departed from or who have remained outside the United States to avoid or evade training or service in the armed forces in time of war or a period declared by the President to be a national emergency, except aliens who were at the time of such departure nonimmigrant aliens and who seek to reenter the United States as nonimmigrants;

(23) Any alien who has been convicted of a violation of any law or regulation relating to the illicit traffic in narcotic drugs, or who has been convicted of a violation of any law" or regulation governing or controlling the taxing, manufacture, production, compounding, transportation, sale, exchange, dispensing, giving away, importation, exportation, or the possession for the purpose of the manufacture, production, compounding, transportation, sale, exchange, dispensing, giving away, importation or exportation of opium, coca leaves, heroin, marihuana, or any salt derivative or preparation of opium or coca leaves, or isonipecaine or any addiction-forming or addiction-sustaining opiate; or any alien who the consular officer or immigration officers know or have reason to believe is or has been an illicit trafficker in any of the aforementioned drugs;

(24) Aliens (other than those aliens who are native-born citizens of countries enumerated in section 101 (a) (27) (C) and aliens described in section 101 (a) (27) (B)) who seek admission from foreign contiguous territory or adjacent islands, having arrived there on a vessel or aircraft of a nonsignatory line, or if signatory, a noncomplying transportation line under section 238 (a) and who have not resided for at least two years subsequent to such arrival in such territory or adjacent islands;

(25) Aliens (other than aliens who have been lawfully admitted for permanent residence and who are returning from a temporary visit abroad) over sixteen years of age, physically capable of reading, who cannot read and understand some language or dialect;

(26) Any nonimmigrant who is not in possession of

(A) a passport valid for a minimum period of six months from the date of the expiration of the initial period of his admission or contemplated initial period of stay authorizing him to return to the country from which he came or to proceed to and enter some other country during such period; and

(B) at the time of application for admission a valid nonimmigrant visa or border crossing identification card;

(27) Aliens who the consular officer or the Attorney General knows or has reason to believe seek to enter the United States solely, principally, or incidentally to engage in activities which would be prejudicial to the public interest, or endanger the welfare, safety, or security of the United States;

(28) Aliens who are, or at any time have been, members of any of the following classes:

(A) Aliens who are anarchists;

(B) Aliens who advocate or teach, or who are members of or affiliated with any organization that advocates or teaches, opposition to all organized government;

(C) Aliens who are members of or affiliated with (i) the Communist Party of the United States, (ii) any other totalitarian party of the United States, (iii) the Communist Political Association, (iv) the Communist or any other totalitarian party of any State of the United States, of any foreign state, or of any political or geographical subdivision of any foreign state, (v) any section, subsidiary, branch, affiliate, or subdivision of any such association or party, or (vi) the direct predecessors or successors of any such association or party, regardless of what name such group or organization may have used, may now bear, or may hereafter adopt: Provided^ That nothing in this paragraph, or in any other provision of this Act, shall be construed as declaring that the Communist Party does not advocate the overthrow of the Government of the United States by force, violence, or other unconstitutional means;

(D) Aliens not within any of the other provisions of this paragraph who advocate the economic, international, and governmental doctrines of world communism or the establishment in the United States of a totalitarian dictatorship, or who are members of or affiliated with any organization that advocates the economic, international, and governmental doctrines of world communism or the establishment in the United States of a totalitarian dictatorship, either through its own utterances or through any written or printed publications issued or published by or with the permission or consent of or under the authority of such organization or paid for by the funds of, or funds furnished by, such organization;

(E) Aliens not within any of the other provisions of this paragraph, who are members of or affiliated with any organization during the time it is registered or required to be registered under section 7 of the Subversive Activities Control Act of 1950, unless such aliens establish that they did not have knowledge or 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 have such knowledge or reason to believe) 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, 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, distribution, or display, any written or printed matter, advocating or teaching opposition to all organized government, or advocating or teaching

(i) the overthrow by force, 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; or

(v) the economic, international, and governmental doctrines of world communism or the establishment in the United States of a totalitarian dictatorship;

(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 paragraph (G);

(I) Any alien who is within any of the classes described in subparagraphs (B), (C), (D), (E), (F), (G), and (H) of this paragraph because of membership in or affiliation with a party or organization or a section, subsidiary, branch, affiliate, or subdivision thereof, may, if not otherwise ineligible, be issued a visa if such alien establishes to the satisfaction of the consular officer when applying for a visa and the consular officer finds that

(i) such membership or affiliation is or was involuntary, or is or was solely when under sixteen years of age, by operation of law, or for purposes of obtaining employment, food rations, or other essentials of living and where necessary for such purposes, or

(ii) (a) since the termination of such membership or affiliation, such alien is and has been, for at least five years prior to the date of the application for a visa, actively opposed to the doctrine, program, principles, and ideology of such party or organization or the section, subsidiary, branch, or affiliate or subdivision thereof, and

(b) the admission of such alien into the United States would be in the public interest. Any such alien to whom a visa has been issued under the provisions' of this subparagraph may, if not otherwise inadmissible, be admitted into the United States if he shall establish to the satisfaction of the Attorney General when applying for admission to the United States and the Attorney General finds that

(i) such membership or affiliation is or was involuntary, or is or was solely when under sixteen years of age, by operation of law, or for purposes of obtaining employment, food rations, or other essentials of living and when necessary for such purposes, or

(ii) (a) since the termination of such membership or affiliation, such alien is and has been, for at such membership or affiliation, such alien is and has been, for at least five years prior to the date of the application for admission actively opposed to the doctrine, program, principles, and ideology of such party or organization or the section, subsidiary, branch, or affiliate or subdivision thereof, and

(b) the admission of such alien into the United States would be in the public interest. The Attorney General shall promptly make a detailed report to the Congress in the case of each alien who is or shall be admitted into the United States under (ii) of this subparagraph;

(29) Aliens with respect to whom the consular officer or the Attorney General knows or has reasonable ground to believe probably would, after entry,

(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) 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;

(30) Any alien accompanying another alien ordered to be excluded and deported and certified to be helpless from sickness or mental or physical disability or infancy pursuant to section 237 (e), whose protection or guardianship is required by the alien ordered excluded and deported;

(31) Any alien who at any time shall have, knowingly and for gain, encouraged, induced, assisted, abetted, or aided any other alien to enter or to try to enter the United States in violation of law,

(b) The provisions of paragraph (25) of subsection (a) shall not be applicable to any alien who

(1) is the parent, grandparent, spouse, daughter, or son of an admissible alien, or any alien lawfully admitted for permanent residence, or any citizen of the United States, if accompanying such admissible alien, or coming to join such citizen or alien lawfully admitted, and if otherwise admissible, or

(2) proves that he is seeking admission to the United States to avoid religious persecution in the country of his last permanent residence, whether such persecution be evidenced by overt acts or by laws or governmental regulations that discriminate against such alien or any group to which he belongs because of his religious faith. For the purpose of ascertaining whether an alien can read under paragraph (25) of subsection

(a), the consular officers and immigration officers shall be furnished with slips of uniform size, prepared under direction of the Attorney General, each containing not less than thirty nor more than forty words in ordinary use, printed in plainly legible type, in one of the various languages or dialects of immigrants. Each alien may designate the particular language or dialect in which he desires the examination to be made and shall be required to read and understand the words printed on the slip in such language or dialect.

(c) Aliens lawfully admitted for permanent residence who temporarily proceeded abroad voluntarily and not under an order of deportation, and who are returning to a lawful unrelinquished domicile of seven consecutive years, may be admitted in the discretion of the Attorney General without regard to the provisions of paragraph (1) through (25) and paragraphs (30) and (31) of subsection (a). Nothing contained in this subsection shall limit the authority of the Attorney General to exercise the discretion vested in him under section 211 (b).

(d) (1) The provisions of paragraphs (11) and (25) of subsection (a) shall not be applicable to any alien who in good faith is seeking to enter the United States as a nonimmigrant.

(2) The provisions of paragraph (28) of subsection (a) of this section shall not be applicable to any alien who is seeking to enter the United States temporarily as a nonimmigrant under paragraph (15) (A) (iii) or (15) (G) (v) of section 101 (a).

(3) Except as provided in this subsection, an alien

(A) who is applying for a nonimmigrant visa and is known or believed by the consular officer to be ineligible for such visa under one or more of the paragraphs enumerated in subsection (a) (other than paragraphs (27) and (29)), may, after approval by the Attorney General of a recommendation by the Secretary of State or by the consular officer that the alien be admitted temporarily despite his inadmissibility, be granted such a visa and may be admitted into the United States temporarily as a nonimmigrant in the discretion of the Attorney General, or

(B) who is inadmissible under one or more of the paragraphs enumerated in subsection (a) (other than paragraphs (27) and (29)), but who is in possession of appropriate documents or is granted a waiver thereof and is seeking admission, may be admitted into the United States temporarily as a nonimmigrant in the discretion of the Attorney General.

(4) Either or both of the requirements of paragraph (26) of subsection (a) may be waived by the Attorney General and the Secretary of State acting jointly

(A) on the basis of unforeseen emergency in individual cases, or

(B) on the basis of reciprocity with respect to nationals of foreign contiguous territory or of adjacent islands and residents thereof having a common nationality with such nationals, or

(C) in the case of aliens proceeding in immediate and continuous transit through the United States under contracts authorized in section 238 (d).

(5) The Attorney General may in his discretion parole into the United States temporarily under such conditions as he may prescribe for emergent reasons or for reasons deemed strictly in the public interest any alien applying for admission to the United States, but such parole of such alien shall not be regarded as an admission of the alien and when the purposes of such parole shall, in the opinion of the Attorney General, have been served the alien shall forthwith return or be returned to the custody from which he was paroled and thereafter his case shall continue to be dealt with in the same manner as that of any other applicant for admission to the United States.

(6) The Attorney General shall prescribe conditions, including exaction of such bonds as may be necessary, to control and regulate the admission and return of excludable aliens applying for temporary admission under this subsection. The Attorney General shall make a detailed report to the Congress in any case in which he exercises his authority under paragraph (3) of this subsection on behalf of any alien excludable under paragraphs (9), (10), and (28) of subsection (a).

(7) The provisions of subsection (a) of this section, except paragraphs (20), (21), and (26), shall be applicable to any alien who shall leave Hawaii, Alaska, Guam, Puerto Rico, or the Virgin Islands of the United States, and who seeks to enter the continental United States or any other place under the jurisdiction of the United States: Provided That persons who were admitted to Hawaii under the last sentence of section 8 (a) (1) of the Act of March 24, 1934, as amended (48 Stat. 456), and aliens who were admitted to Hawaii as nationals of the United States shall not be excepted by this paragraph from the application of paragraphs (20) and (21) of subsection (a) of this section, unless they belong to a class declared to be nonquota immigrants under the provisions of section 101 (a) (27) of this Act, other than subparagraph (C) thereof, or unless they were admitted to Hawaii with an immigration visa. The Attorney General shall by regulations provide a method and procedure for the temporary admission to the United States of the aliens described in this proviso. Any alien described in this paragraph, who is excluded from admission to the United States, shall be immediately deported in the manner provided by section 237 (a) of this Act.

(8) Upon a basis of reciprocity accredited officials of foreign governments, their immediate families, attendants, servants, and personal employees may be admitted in immediate and continuous transit through the United States without regard to the provisions of this section except paragraphs (26), (27), and (29) of subsection (a) of this section.

(e) Whenever the President finds that the entry of any aliens or of any class of aliens into the United States would be detrimental to the interests of the United States, he may by proclamation, and for such period as he shall deem necessary, suspend the entry of all aliens or any class of aliens as immigrants or nonimmigrants, or impose on the entry of aliens any restrictions he may deem to be appropriate.