Source-aware visa orientation; verify current instructions with the responsible authority.Read the public boundary
USIVA

USIVA / source-aware directory

Every route begins with a category. Every category needs a source.

Use the index to move from a broad purpose to a specific code, then open the official State Department or USCIS record that should control the next conversation.

Nonimmigrant and immigrant tracksFamily indexes includedSource ledger checked 2026-08-22

Nonimmigrant visa index

Temporary travel, study, work, and protection

The nonimmigrant index covers principal letter families A through V, NATO and TN variants, and additional official State Department directory entries. A route page is orientation, not a determination.

78source-aware route records

A

Diplomats and foreign government officials

Open family index

Official travel by national-government representatives, their qualified family members, and personal employees.

  1. 01A-1Diplomats and heads of stateNational-government representatives, qualified family members, and personal employees researching official travel.
  2. 02A-2Other foreign government officials and employeesNational-government representatives, qualified family members, and personal employees researching official travel.
  3. 03A-3Personal employees of A-1 or A-2 visa holdersNational-government representatives, qualified family members, and personal employees researching official travel.

B

Visitors for business, tourism, or border travel

Open family index

Temporary business and visitor travel, including the Mexico Border Crossing Card.

  1. 01B-1Business visitorVisitors, business travelers, and Mexican travelers researching short-term visitor documentation.
  2. 02B-2Tourism, medical treatment, and other visitor travelVisitors, business travelers, and Mexican travelers researching short-term visitor documentation.
  3. 03BCCBorder Crossing Card for Mexican citizensVisitors, business travelers, and Mexican travelers researching short-term visitor documentation.

C

Transit and foreign government officials in transit

Open family index

Temporary passage through the United States and official transit categories.

  1. 01C-1Transit travelerTravelers passing through the United States and foreign government officials in transit.
  2. 02C-2Foreign government official in transit to the United NationsTravelers passing through the United States and foreign government officials in transit.
  3. 03C-3Foreign government official in transitTravelers passing through the United States and foreign government officials in transit.
  4. 04C-1/DCombined transit and crewmember notationTravelers passing through the United States and foreign government officials in transit.

D

Crewmembers

Open family index

Crewmember travel for service aboard commercial sea vessels and international aircraft.

  1. 01DCrewmember on a commercial vessel or aircraftCommercial airline and sea-vessel crewmembers and employers organizing travel-to-join details.

E

Treaty traders, treaty investors, and Australian specialty occupations

Open family index

Treaty-based trade and investment routes plus the Australian specialty-occupation category and derivatives.

  1. 01E-1Treaty traderTreaty-country enterprise owners, employees, Australian professionals, and their dependents.
  2. 02E-2Treaty investorTreaty-country enterprise owners, employees, Australian professionals, and their dependents.
  3. 03E-3Australian specialty-occupation professionalTreaty-country enterprise owners, employees, Australian professionals, and their dependents.
  4. 04E-3DDependent of an E-3 principalTreaty-country enterprise owners, employees, Australian professionals, and their dependents.
  5. 05E-3RReturning E-3 workerTreaty-country enterprise owners, employees, Australian professionals, and their dependents.

F

Academic and vocational students

Open family index

Academic study, dependent travel, and Canadian or Mexican commuter-student variants.

  1. 01F-1Academic studentInternational students, dependents, schools, and education partners organizing study documentation.
  2. 02F-2Spouse or child of an F-1 studentInternational students, dependents, schools, and education partners organizing study documentation.
  3. 03F-3Canadian or Mexican commuter studentInternational students, dependents, schools, and education partners organizing study documentation.

G

International organization officials and employees

Open family index

Official work with designated international organizations and related personal employees.

  1. 01G-1Permanent mission memberInternational-organization officials, employees, qualified family members, and personal employees.
  2. 02G-2Representative of a recognized governmentInternational-organization officials, employees, qualified family members, and personal employees.
  3. 03G-3Representative of a nonrecognized government or memberInternational-organization officials, employees, qualified family members, and personal employees.
  4. 04G-4International organization employeeInternational-organization officials, employees, qualified family members, and personal employees.
  5. 05G-5Personal employee of a G-1 through G-4 holderInternational-organization officials, employees, qualified family members, and personal employees.

H

Temporary workers and related dependents

Open family index

Petition-based temporary worker categories, specialty-occupation variants, seasonal work, training, and dependents.

  1. 01H-1BSpecialty-occupation workerTemporary workers, employers, trainees, and family members organizing petition and travel records.
  2. 02H-1B1Chile or Singapore free-trade professionalTemporary workers, employers, trainees, and family members organizing petition and travel records.
  3. 03H-2ATemporary agricultural workerTemporary workers, employers, trainees, and family members organizing petition and travel records.
  4. 04H-2BTemporary nonagricultural workerTemporary workers, employers, trainees, and family members organizing petition and travel records.
  5. 05H-3Trainee or special-education exchange visitorTemporary workers, employers, trainees, and family members organizing petition and travel records.
  6. 06H-4Spouse or child of an H principalTemporary workers, employers, trainees, and family members organizing petition and travel records.

I

Foreign media representatives

Open family index

Temporary media, press, radio, film, and other information-media work for foreign organizations.

  1. 01IRepresentative of foreign press, radio, film, or other information mediaJournalists, producers, camera crews, and foreign media organizations planning a U.S. assignment.

J

Exchange visitors

Open family index

Designated exchange programs, sponsors, SEVIS records, and derivative family travel.

  1. 01J-1Exchange visitorExchange visitors, designated sponsors, schools, employers, and J-2 family members.
  2. 02J-2Spouse or child of a J-1 exchange visitorExchange visitors, designated sponsors, schools, employers, and J-2 family members.

K

Fiancé(e)s, spouses, and children of U.S. citizens

Open family index

Immigration-related nonimmigrant routes for a fiancé(e), spouse, or child connected to a U.S. citizen.

  1. 01K-1Fiancé(e) of a U.S. citizenForeign-citizen fiancé(e)s, spouses, children, and U.S.-citizen petitioners.
  2. 02K-2Child of a K-1 fiancé(e)Foreign-citizen fiancé(e)s, spouses, children, and U.S.-citizen petitioners.
  3. 03K-3Spouse of a U.S. citizen with a pending immigrant petitionForeign-citizen fiancé(e)s, spouses, children, and U.S.-citizen petitioners.
  4. 04K-4Child of a K-3 spouseForeign-citizen fiancé(e)s, spouses, children, and U.S.-citizen petitioners.

L

Intracompany transferees and dependents

Open family index

Temporary transfer within a qualifying international organization and dependent family travel.

  1. 01L-1AIntracompany executive or managerInternational companies, executives, managers, specialized-knowledge workers, and dependents.
  2. 02L-1BIntracompany specialized-knowledge workerInternational companies, executives, managers, specialized-knowledge workers, and dependents.
  3. 03L-2Spouse or child of an L-1 principalInternational companies, executives, managers, specialized-knowledge workers, and dependents.

M

Vocational and nonacademic students

Open family index

Vocational or other recognized nonacademic study and dependent or commuter-student variants.

  1. 01M-1Vocational or nonacademic studentVocational students, schools, dependents, and Canadian or Mexican commuter students.
  2. 02M-2Spouse or child of an M-1 studentVocational students, schools, dependents, and Canadian or Mexican commuter students.
  3. 03M-3Canadian or Mexican commuter studentVocational students, schools, dependents, and Canadian or Mexican commuter students.

N

Children and surviving family of special immigrants

Open family index

N-category family routes connected to certain special-immigrant classifications.

  1. 01N-8Parent of certain special immigrantsChildren and qualifying surviving family members researching an N-category connection.
  2. 02N-9Child of an N-8 or related special immigrantChildren and qualifying surviving family members researching an N-category connection.

O

Individuals of extraordinary ability or achievement

Open family index

Petition-based temporary work for extraordinary ability or achievement and essential support or family travel.

  1. 01O-1Individual of extraordinary ability or achievementIndividuals, petitioning organizations, support personnel, and dependents in the O category.
  2. 02O-2Essential support personnel for an O-1Individuals, petitioning organizations, support personnel, and dependents in the O category.
  3. 03O-3Spouse or child of an O-1 or O-2Individuals, petitioning organizations, support personnel, and dependents in the O category.

P

Athletes, artists, entertainers, and support personnel

Open family index

Temporary performance, competition, cultural, and support-personnel routes.

  1. 01P-1Internationally recognized athlete or entertainment groupAthletes, artists, entertainers, reciprocal-exchange participants, support staff, and dependents.
  2. 02P-2Artist or entertainer in a reciprocal exchange programAthletes, artists, entertainers, reciprocal-exchange participants, support staff, and dependents.
  3. 03P-3Artist or entertainer in a culturally unique programAthletes, artists, entertainers, reciprocal-exchange participants, support staff, and dependents.
  4. 04P-4Spouse or child of a P principalAthletes, artists, entertainers, reciprocal-exchange participants, support staff, and dependents.

Q

Cultural exchange visitors

Open family index

Cultural exchange and international cultural exchange program routes.

  1. 01Q-1International cultural exchange visitorCultural exchange participants, sponsoring organizations, and program partners.
  2. 02Q-2Irish or Northern Irish peace-program participantCultural exchange participants, sponsoring organizations, and program partners.

R

Religious workers and dependents

Open family index

Temporary religious-worker service and dependent family travel.

  1. 01R-1Temporary religious workerReligious organizations, temporary religious workers, and their dependents.
  2. 02R-2Spouse or child of an R-1Religious organizations, temporary religious workers, and their dependents.

S

Informants and witnesses

Open family index

Special law-enforcement and information-provider categories that require careful official coordination.

  1. 01S-5Informant providing critical informationInformants, witnesses, and responsible law-enforcement or government coordinators.
  2. 02S-6Terrorism-related informantInformants, witnesses, and responsible law-enforcement or government coordinators.
  3. 03S-7Qualified family member of an S principalInformants, witnesses, and responsible law-enforcement or government coordinators.

T

Victims of human trafficking

Open family index

Humanitarian protection category for victims of a severe form of trafficking and certain family members.

  1. 01T-1Victim of a severe form of human traffickingTrafficking survivors, qualifying family members, advocates, and authorized representatives.
  2. 02T-2Spouse of a T-1Trafficking survivors, qualifying family members, advocates, and authorized representatives.
  3. 03T-3Child of a T-1Trafficking survivors, qualifying family members, advocates, and authorized representatives.
  4. 04T-4Parent of a T-1 under specified circumstancesTrafficking survivors, qualifying family members, advocates, and authorized representatives.
  5. 05T-5Unmarried sibling under specified circumstancesTrafficking survivors, qualifying family members, advocates, and authorized representatives.
  6. 06T-6Derivative family member of a T principalTrafficking survivors, qualifying family members, advocates, and authorized representatives.

U

Victims of qualifying criminal activity

Open family index

Humanitarian protection category for victims who assist law enforcement in qualifying investigations or prosecutions.

  1. 01UVictim of qualifying criminal activityCrime victims, qualifying family members, advocates, law-enforcement certifiers, and representatives.

V

Certain spouses and children of lawful permanent residents

Open family index

A rarely issued family-reunification category preserved in statute with current State Department notice language.

  1. 01VSpouse or child of a lawful permanent residentCertain spouses and children of lawful permanent residents researching a V-category record.

NATO

NATO officials, employees, and dependents

Open family index

Official NATO travel categories, including qualified family members and personal employees.

  1. 01NATO-1Principal representative of a NATO memberNATO representatives, international staff, qualified family members, and personal employees.
  2. 02NATO-2Representative or family member under NATO agreementsNATO representatives, international staff, qualified family members, and personal employees.
  3. 03NATO-3Official clerical staffNATO representatives, international staff, qualified family members, and personal employees.
  4. 04NATO-4NATO official or employeeNATO representatives, international staff, qualified family members, and personal employees.
  5. 05NATO-5Expert on NATO missionNATO representatives, international staff, qualified family members, and personal employees.
  6. 06NATO-6Member of a civilian component or military forceNATO representatives, international staff, qualified family members, and personal employees.
  7. 07NATO-7Personal employee of a NATO-1 through NATO-6 holderNATO representatives, international staff, qualified family members, and personal employees.

TN

USMCA professionals and dependents

Open family index

Professional trade-agreement travel for qualifying Canadian and Mexican professionals and their dependents.

  1. 01TNUSMCA professionalCanadian and Mexican professionals, U.S. employers, and TD dependents.
  2. 02TDSpouse or child of a TN professionalCanadian and Mexican professionals, U.S. employers, and TD dependents.

Other

Other official temporary pathways

Open family index

Additional official State Department directory entries that do not fit the A–V family index.

  1. 01CW-1CNMI-only transitional workerTravelers and employers researching a special territorial worker route or visa-waiver travel.
  2. 02VWPVisa Waiver Program travel reference (not a visa category)Travelers and employers researching a special territorial worker route or visa-waiver travel.

Immigrant visa index

Permanent immigration and family routes

The immigrant index groups family, adoption, employment, special immigrant, K, diversity, and returning-resident routes so the next agency handoff is easier to see.

28source-aware route records

IR / CR

Immediate relatives and conditional residents

Open family index

Immediate-relative and conditional-resident routes for spouses, children, and parents of U.S. citizens.

  1. 01IR-1Spouse of a U.S. citizenU.S.-citizen petitioners, spouses, children, parents, and families organizing an immigrant-visa record.
  2. 02CR-1Conditional spouse of a U.S. citizenU.S.-citizen petitioners, spouses, children, parents, and families organizing an immigrant-visa record.
  3. 03IR-2Unmarried child of a U.S. citizenU.S.-citizen petitioners, spouses, children, parents, and families organizing an immigrant-visa record.
  4. 04CR-2Conditional child of a U.S. citizenU.S.-citizen petitioners, spouses, children, parents, and families organizing an immigrant-visa record.
  5. 05IR-5Parent of a U.S. citizenU.S.-citizen petitioners, spouses, children, parents, and families organizing an immigrant-visa record.

IR / IH

Intercountry adoption

Open family index

Orphan and Hague adoption routes for children immigrating through a U.S.-citizen adoption process.

  1. 01IR-3Child adopted abroad under the orphan processU.S.-citizen adoptive parents, children, accredited providers, and officials coordinating adoption cases.
  2. 02IH-3Child adopted abroad under the Hague processU.S.-citizen adoptive parents, children, accredited providers, and officials coordinating adoption cases.
  3. 03IR-4Child to be adopted in the United States under the orphan processU.S.-citizen adoptive parents, children, accredited providers, and officials coordinating adoption cases.
  4. 04IH-4Child to be adopted in the United States under the Hague processU.S.-citizen adoptive parents, children, accredited providers, and officials coordinating adoption cases.

F

Family-sponsored preference categories

Open family index

Family-preference categories for relatives of U.S. citizens and lawful permanent residents.

  1. 01F1Unmarried son or daughter of a U.S. citizenFamily petitioners and beneficiaries tracking preference-category records and visa-number timing.
  2. 02F2ASpouse or child of a lawful permanent residentFamily petitioners and beneficiaries tracking preference-category records and visa-number timing.
  3. 03F2BUnmarried son or daughter of a lawful permanent residentFamily petitioners and beneficiaries tracking preference-category records and visa-number timing.
  4. 04F3Married son or daughter of a U.S. citizenFamily petitioners and beneficiaries tracking preference-category records and visa-number timing.
  5. 05F4Sibling of an adult U.S. citizenFamily petitioners and beneficiaries tracking preference-category records and visa-number timing.

EB

Employment-based preference categories

Open family index

Permanent-worker and investment categories across the five employment-based preference groups.

  1. 01EB-1First preference: priority workersEmployers, workers, entrepreneurs, agents, and families organizing an employment-based immigrant case.
  2. 02EB-2Second preference: advanced degree or exceptional abilityEmployers, workers, entrepreneurs, agents, and families organizing an employment-based immigrant case.
  3. 03EB-3Third preference: professionals, skilled workers, and other workersEmployers, workers, entrepreneurs, agents, and families organizing an employment-based immigrant case.
  4. 04EW-3Other worker subcategoryEmployers, workers, entrepreneurs, agents, and families organizing an employment-based immigrant case.
  5. 05EB-4Fourth preference: certain special immigrantsEmployers, workers, entrepreneurs, agents, and families organizing an employment-based immigrant case.
  6. 06EB-5Fifth preference: employment creation investorsEmployers, workers, entrepreneurs, agents, and families organizing an employment-based immigrant case.

SPECIAL

Special immigrant routes

Open family index

Special immigrant classifications, including religious workers and certain Iraqi and Afghan cases.

  1. 01SIIraqi and Afghan translators or interpretersSpecial immigrants, religious workers, translators, and people whose records involve U.S. government service.
  2. 02SQIraqis and Afghans who worked for or on behalf of the U.S. governmentSpecial immigrants, religious workers, translators, and people whose records involve U.S. government service.
  3. 03SDSpecial immigrant religious workerSpecial immigrants, religious workers, translators, and people whose records involve U.S. government service.
  4. 04SRSpecial immigrant religious workerSpecial immigrants, religious workers, translators, and people whose records involve U.S. government service.

K

Immigration-related K routes

Open family index

K-1 fiancé(e) and K-3 spouse routes, listed by the State Department alongside immigrant categories because of their immigration purpose.

  1. 01K-1Fiancé(e) of a U.S. citizenU.S.-citizen petitioners, foreign-citizen fiancé(e)s, spouses, and related children.
  2. 02K-3Spouse of a U.S. citizen with a pending immigrant petitionU.S.-citizen petitioners, foreign-citizen fiancé(e)s, spouses, and related children.

DV

Diversity Visa program

Open family index

Annual diversity immigrant-visa program with its own official instructions, selection notice, and deadline sequence.

  1. 01DVDiversity immigrant visaDiversity Visa entrants, selectees, accompanying family members, and authorized helpers.

SB

Returning resident

Open family index

Returning-resident processing for a lawful permanent resident who has remained abroad beyond ordinary travel validity.

  1. 01SBReturning resident immigrant visaLawful permanent residents or conditional residents researching a returning-resident record.