The Immigration Reform and Control Act of 1986 (IRCA) requires that employers only hire people who are authorized to work in the United States. This typically includes U.S. citizens, permanent residents, and U.S. nationals. In fact, employers must verify an employee’s work authorization status within three days of employment. Thus, it is perfectly legitimate for an employer to require individuals to be authorized to work in the United States as a condition of employment. Moreover, an employer does not violate the law by refusing to sponsor an international student for an H-1B non-immigrant specialty occupation temporary work visa or for a permanent employment immigrant visa.