Temporary Employment Classifications
An orientation to the main temporary work categories, including H-1B, H-2, TN, P and R classifications.
Last verified: 2026-09-07
General overview
The United States maintains a range of temporary work classifications, each with its own criteria, duration and employer obligations. Examples include specialty-occupation workers, seasonal agricultural and non-agricultural workers, professionals under the North American agreement, athletes and entertainers, and religious workers. Many of these require a labour condition application or temporary labour certification before the petition is filed.
Main application stages
- 1Classification review with authorized U.S. counsel
- 2Labour condition application or temporary labour certification, where required
- 3Petition filed with USCIS
- 4Consular visa application and admission
Who may consider this pathway
- Professionals considering a defined period of work in the United States
- Employers planning a temporary international hire
- Canadian professionals comparing cross-border options
General eligibility considerations
- A classification matched to the occupation and duration
- Employer obligations, including wage and condition requirements
- Any annual cap or registration process that applies
- Maintenance of status and permitted activities
Common documentation categories
- Job offer, wage information and position description
- Education and licensing evidence
- Employer registration and corporate records
- Passport and travel history
Important limitations
- Temporary status is time-limited and activity-restricted
- Some categories have annual caps and lottery-style registration
- Selecting and filing a classification is U.S. legal work
Frequently asked questions
Which category applies to a Canadian professional?
Several may, depending on citizenship, occupation and employer. That determination belongs with an authorized U.S. attorney.
Can I switch employers?
Rules differ by classification, and changes usually require filings. Ask U.S. counsel before making a change.
Official sources
Last verified: 2026-09-07
Related pathways
Family-Based Immigration
Immigrant categories based on a qualifying family relationship to a U.S. citizen or lawful permanent resident.
Employment-Based Immigration
An overview of the preference categories used for permanent residence through work.
L-1 Intracompany Transferee
A temporary classification for transfers within a related international company.