This nonimmigrant classification applies to people who wish to perform services in a specialty occupation, services of exceptional merit and ability relating to a Department of Defense (DOD) cooperative research and development project, or services as a fashion model of distinguished merit or ability.
Family members of the H-1B foreign worker are admitted to the United States in the H-4 category. Qualifying family members include only the spouse and unmarried children under 21 years old. H-4 dependents are admitted for the same period of time for which the H-1B foreign worker is admitted. H-4 dependents may alternatively be admitted in other nonimmigrant categories for which they qualify. H-4 dependents may undertake studies while remaining in the H-4 category, however, they may not engage in any form of employment.
The H-2B visa category is used by U.S. employers to temporarily employ skilled or unskilled foreign nationals in nonagricultural positions for which the employer has a temporary need and for which qualified U.S. workers are unavailable. The company must plan to employ the foreign nationals for a temporary period and the employer’s need for the skills of the foreign nationals must also be temporary. In addition, the employer must seek a “labor certification” from the U.S. Department of Labor (DOL) certifying that:
At present, the United States has two main programs for temporarily importing low-skilled workers, sometimes referred to as guest workers. Agricultural guest workers enter through the H-2A visa program, and other guest workers enter through the H-2B visa program. Employers interested in importing workers under either program must first apply to the U.S. Department of Labor for a certification that U.S. workers capable of performing the work are not available and that the employment of alien workers will not adversely affect the wages and working conditions of similarly employed U.S.