Most common types of Nonimmigrant visa categories

Non-immigrant visas enable temporary works and visitors to enter the U.S. for a specific period, for the purpose related to their non-immigrant classifications. Please find below the list of few most common types of non-immigrant classifications, here provided only high level general information. please contact your attorney for more details on your eligibility and other details.

  • B-1: Enables travelers to enter the U.S. for business activities not including employment, such as meetings, conferences, or trainings. The initial period of stay is 1 to 6 months.
  • E-3: Enables citizens of Australia to work in the U.S. in a specialty occupation position with a U.S. employer, meaning the role requires the U.S. equivalent of a bachelor’s degree at a minimum. E-3 applications may be applied for directly at a consulate abroad with an approved Labor Condition Application. Workers may stay for an initial period of 2 years with indefinite extension.


  • H-1B: The most common temporary employment visa, the H-1B allows workers to fill specialty occupation positions for a maximum period of 6 years. Positions must meet wage requirements outlined in a Labor Condition Application, The number of new H-1B workers is restricted to 85,000 (20,000 for U.S. Masters; 65,000 for bachelors) per year. If the amount of applicants exceeds 85,000, requiring a random selection during the first week of April each year.
  • H-1B1: This category has qualification criteria similar to the H-1B, however this category is limited to applicants from Singapore or Chile. 6,800 visas within the 65,000 H-1B numerical limit are reserved for H-1B1 applicants, and unused spots are rolled over to the following year. Applicants may apply directly for a visa at a consulate or apply through USCIS, and may apply at any time, not just during the first week of April. H-1B1 workers are authorized to work for indefinite 1 year periods, but are not allowed to possess the intent to seek permanent residency.
  • L-1: The L-1 visa enables organizations to transfer employees from a foreign officer to a U.S. office to work in an executive or managerial role (L-1A) for up to 7 years, or a role which requires specialized or advanced knowledge (L-1B) for up to 5 years. Employees must have worked abroad for a  foreign parent, subsidiary, affiliate or branch office for at least one year. Individual cases are filed with USCIS, but employers with three or more foreign and domestic offices, a substantial workforce, or annual U.S. sales of at least $25 million may request a blanket approval from USCIS, allowing employees to apply for an L-1 visa directly with a consulate.
  • O-1: Enables individuals who possess extraordinary ability in science, education, business, or athletics (O-1A) or the arts, motion picture, or television industries (O-1B) enter to enter the U.S. for an initial period of 3 years, with 1 year of extensions as deemed necessary to accomplish the initial event or activity. The O-1 requires an advisory opinion for a peer group or labor organization, if one exists. The O-1 requires an offer of employment, or in the case of sponsorship by an agent, an itinerary evidence of events and activities for the requested period.
  • TN: Enables citizens of Canada or Mexico to enter the U.S. for temporary employment in a specific occupation. Citizens of Canada may apply directly at a port of entry and do not require a visa stamp. Citizens of Mexico must obtain a visa stamp before entering the U.S. Initial periods of stay are granted up to 3 years, and indefinite extensions are allowed.
The information is provided for general informational and educational purposes only and is not a substitute for professional advice. Before making any decision, consult with the appropriate professionals. Please refer our Disclaimer for details.


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