Under specific conditions and limitations, a business visitor could be classified as B-1 to be a personal or domestic worker in the U.S. as following categories:
- Personal/Domestic Employees of U.S. Citizens Residing Abroad
- Personal/Domestic Employees of U.S. Citizens on Temporary Assignment in United States
- Personal/Domestic Employees who accompanies or follows to join Foreign Nationals in Nonimmigrant Status
- Personal/Domestic Employees of Lawful Permanent Residents (LPRs)