INA 101(a)(15)(A):

(i) an ambassador, public minister, or career diplomatic or consular officer who has been accredited by a foreign government recognized de jure by the United States and who is accepted by the President or by the Secretary of State, and the members of the alien's immediate family;
 
(ii) upon a basis of reciprocity, other officials and employees who have been accredited by a foreign government recognized de jure by the United States, who are accepted by the Secretary of State, and the members of their immediate families; and

(iii) upon a basis of reciprocity, attendants, servants, personal employees, and members of their immediate families, of the officials and employees who have a nonimmigrant status under (i) and (ii) above; 

B. Visitors.
INA 101(a)(15)(B): 

an alien (other than one coming for the purpose of study or of performing skilled or unskilled labor or as a representative of foreign press, radio, film, or other foreign information media coming to engage in such vocation) having a residence in a foreign country which he has no intention of abandoning and who is visiting the United States temporarily for business or temporarily for pleasure;




C. Transits.
INA 101(a)(15)(C):

an alien in immediate and continuous transit through the United States, or an alien who qualifies as a person entitled to pass in transit to and from the United Nations Headquarters District and foreign countries, under the provisions of paragraphs (3), (4), and (5) of section 11 of the Headquarters Agreement with the United Nations (61 Stat. 758);



D. Crewmen.
INA 101(a)(15)(D):

(i) an alien crewman serving in good faith as such in a capacity required for normal operation and service on board a vessel, as defined in section 258(a) (other than a fishing vessel having its home port or an operating base in the United States), or aircraft, who intends to land temporarily and solely in pursuit of his calling as a crewman and to depart from the United States with the vessel or aircraft on which he arrived or some other vessel or aircraft;
 
(ii) an alien crewman serving in good faith as such in any capacity required for normal operations and service aboard a fishing vessel having its home port or an operating base in the United States who intends to land temporarily in Guam and solely in pursuit of his calling as a crewman and to depart from Guam with the vessel on which he arrived;




E. Traders and Investors
INA 101(a)(15)(E):

an alien entitled to enter the United States under and in pursuance of the provisions of a treaty of commerce and navigation between the United States and the foreign state of which he is a national, and the spouse and children of any such alien if accompanying or following to join him:
 

(i) solely to carry on substantial trade, including trade in services or trade in technology, principally between the United States and the foreign state of which he is a national; 

(ii) solely to develop and direct the operations of an enterprise in which he has invested, or of an enterprise in which he is actively in the process of investing, a substantial amount of capital; or 

(iii) solely to perform services in a specialty occupation in the United States if the alien is a national of the Commonwealth of Australia and with respect to whom the Secretary of Labor determines and certifies to the Secretary of Homeland Security and the Secretary of State that the intending employer has filed with the Secretary of Labor an attestation under section

 F. Students
INA 101(a)(15)(F):

(i) an alien having a residence in a foreign country which he has no intention of abandoning, who is a bona fide student qualified to pursue a full course of study and who seeks to enter the United States temporarily and solely for the purpose of pursuing such a course of study consistent with section at an established college, university, seminary, conservatory, academic high school, elementary school, or other academic institution or in a language training program in the United States, particularly designated by him and approved by the Attorney General after consultation with the Secretary of Education, which institution or place of study shall have agreed to report to the Attorney General the termination of attendance of each nonimmigrant student, and if any such institution of learning or place of study fails to make reports promptly the approval shall be withdrawn,
 
(ii) the alien spouse and minor children of any alien described in clause (i) if accompanying or following to join such an alien, and  

(iii) an alien who is a national of Canada or Mexico, who maintains actual residence and place of abode in the country of nationality, who is described in clause (i) except that the alien's qualifications for and actual course of study may be full or part-time, and who commutes to the United States institution or place of study from Canada or Mexico; 

G. Representatives to international organization
INA 101(a)(15)(G):

(i) a designated principal resident representative of a foreign government recognized de jure by the United States, which foreign government is a member of an international organization entitled to enjoy privileges, exemptions, and immunities as an international organization under the International Organizations Immunities Act (59 Stat. 669) 22 U.S.C. 288, note, accredited resident members of the staff of such representatives, and members of his or their immediate family;
 
(ii) other accredited representatives of such a foreign government to such international organizations, and the members of their immediate families;

(iii) an alien able to qualify under (i) or (ii) above except for the fact that the government of which such alien is an accredited representative is not recognized de jure by the United States, or that the government of which he is an accredited representative is not a member of such international organization, and the members of his immediate family;

(iv) officers, or employees of such international organizations, and the members of their immediate families;

(v) attendants, servants, and personal employees of any such representative, officer, or employee, and the members of the immediate families of such attendants, servants, and personal employees; 



H. Temporary employees
INA 101(a)(15)(H):

an alien (i) (b) subject to section 212(j)(2), who is coming temporarily to the United States to perform services (other than services described in subclause (a) during the period in which such subclause applies and other than services described in subclause (ii)(a) or in subparagraph (O) or (P)) in a specialty occupation described in section 214(i)(1) or as a fashion model, who meets the requirements for the occupation specified in section 214(i)(2) or, in the case of a fashion model, is of distinguished merit and ability, and with respect to whom the Secretary of Labor determines and certifies to the Attorney General that the intending employer has filed with the Secretary an application under section 3b/ 212(n)(1), or (b1) who is entitled to enter the United States under and in pursuance of the provisions of an agreement listed in section 214(g)(8)(A), who is engaged in a specialty occupation described in section 214(i)(3), and with respect to whom the Secretary of Labor determines and certifies to the Secretary of Homeland Security and the Secretary of State that the intending employer has filed with the Secretary of Labor an attestation under section 212(t)(1), or (c) 3b/ who is coming temporarily to the United States to perform services as a registered nurse, who meets the qualifications described in section 212(m)(1), and with respect to whom the Secretary of Labor determines and certifies to the Attorney General that an unexpired attestation is on file and in effect under section 212(m)(2) for the facility (as defined in section 212(m)(6)) for which the alien will perform the services; or  

(ii)(a) having a residence in a foreign country which he has no intention of abandoning who is coming temporarily to the United States to perform agricultural labor or services, as defined by the Secretary of Labor in regulations and including agricultural labor defined in section 3121(g) of 3bbb/ the Internal Revenue Code of 1986, agriculture as defined in section 3(f) of the Fair Labor Standards Act of 1938 (29 U.S.C. 203(f)), and the pressing of apples for cider on a farm, of a temporary or seasonal nature, or  

(b) having a residence in a foreign country which he has no intention of abandoning who is coming temporarily to the United States to perform other temporary service or labor if unemployed persons capable of performing such service or labor cannot be found in this country, but this clause shall not apply to graduates of medical schools coming to the United States to perform services as members of the medical profession; or  

(iii) having a residence in a foreign country which he has no intention of abandoning who is coming temporarily to the United States as a trainee, other than to receive graduate medical education or training, in a training program that is not designed primarily to provide productive employment; and the alien spouse and minor children of any such alien specified in this paragraph if accompanying him or following to join him; 




I. Representatives of information media
INA 101(a)(15)(I):

upon a basis of reciprocity, an alien who is a bona fide representative of foreign press, radio, film, or other foreign information media, who seeks to enter the United States solely to engage in such vocation, and the spouse and children of such a representative if accompanying or following to join him;


J. Exchange aliens
INA 101(a)(15)(J):

an alien having a residence in a foreign country which he has no intention of abandoning who is a bona fide student, scholar, trainee, teacher, professor, research assistant, specialist, or leader in a field of specialized knowledge or skill, or other person of similar description, who is coming temporarily to the United States as a participant in a program designated by the Director of the United States Information Agency, for the purpose of teaching, instructing or lecturing, studying, observing, conducting research, consulting, demonstrating special skills, or receiving training and who, if he is coming to the United States to participate in a program under which he will receive graduate medical education or training, also meets the requirements of section 212(j), and the alien spouse and minor children of any such alien if accompanying him or following to join him; 



K. Fiancees and finaces of United States citizens
INA 101(a)(15)(K):

subject to subsections (d) and (p) of section 214, an alien who-- 
(i) is the fiancee or fiance of a citizen of the United States and who seeks to enter the United States solely to conclude a valid marriage with the petitioner within ninety days after admission; 

(ii) has concluded a valid marriage with a citizen of the United States who is the petitioner, is the beneficiary of a petition to accord a status under section 201(b)(2)(A)(i) that was filed under section 204 by the petitioner, and seeks to enter the United States to await the approval of such petition and the availability to the alien of an immigrant visa; or 

(iii) is the minor child of an alien described in clause (i) or (ii) and is accompanying, or following to join, the alien;




L. Intercompany transferees
INA 101(a)(15)(L):

subject to section 214(c)(2), an alien who, within 3 years preceding the time of his application for admission into the United States, has been employed continuously for one year by a firm or corporation or other legal entity or an affiliate or subsidiary thereof and who seeks to enter the United States temporarily in order to continue to render his services to the same employer or a subsidiary or affiliate thereof in a capacity that is managerial, executive, or involves specialized knowledge, and the alien spouse and minor children of any such alien if accompanying him or following to join him; 



M. Students in established vocational or other recognized nonacademic institutions, other than in language training programs.
INA 101(a)(15)(M):

(i) an alien having a residence in a foreign country which he has no intention of abandoning who seeks to enter the United States temporarily and solely for the purpose of pursuing a full course of study at an established vocational or other recognized nonacademic institution (other than in a language training program) in the United States particularly designated by him and approved by the Attorney General, after consultation with the Secretary of Education, which institution shall have agreed to report to the Attorney General the termination of attendance of each nonimmigrant nonacademic student and if any such institution fails to make reports promptly the approval shall be withdrawn,  

(ii) the alien spouse and minor children of any alien described in clause (i) if accompanying or following to join such an alien, and  

(iii) an alien who is a national of Canada or Mexico, who maintains actual residence and place of abode in the country of nationality, who is described in clause (i) except that the alien's course of study may be full or part-time, and who commutes to the United States institution or place of study from Canada or Mexico; 




N. Certain parents and children of section 101(a)(27)(I) special immigrants.
INA 101(a)(15)(N):

(i) the parent of an alien accorded the status of special immigrant under paragraph (27)(I)(i) (or under analogous authority under paragraph (27)(L)), but only if and while the alien is a child, or  

(ii) a child of such parent or of an alien accorded the status of a special immigrant under clause (ii), (iii), or (iv) of paragraph (27)(I) (or under analogous authority under paragraph (27)(L)); 



O. Aliens of extraordinary ability.
INA 101(a)(15)(O):

(an alien who:
 
(i) has extraordinary ability in the sciences, arts, education, business, or athletics which has been demonstrated by sustained national or international acclaim or, with regard to motion picture and television productions a demonstrated record of extraordinary achievement, and whose achievements have been recognized in the field through extensive documentation, and seeks to enter the United States to continue work in the area of extraordinary ability; or 

(ii)(I) seeks to enter the United States temporarily and solely for the purpose of accompanying and assisting in the artistic or athletic performance by an alien who is admitted under clause (i) for a specific event or events, 

(II) is an integral part of such actual performance, 

(III)(a) has critical skills and experience with such alien which are not of a general nature and which cannot be performed by other individuals, or 

(b) in the case of a motion picture or television production, has skills and experience with such alien which are not of a general nature and which are critical either based on a pre-existing long-standing working relationship or, with respect to the specific production, because significant production (including pre- and post-production work) will take place both inside and outside the United States and the continuing participation of the alien is essential to the successful completion of the production, and

(IV) has a foreign residence which the alien has no intention of abandoning; or

(iii) is the alien spouse or child of an alien described in clause (i) or (ii) and is accompanying, or following to join, the alien;