the L-1 visa
- L1-A Visa: Designed for business proprietors in Vietnam who own a company engaged in U.S. business operations. It caters to executives or high-level managers of the Vietnamese company. The initial L1-A visa is granted for 1 year and can be extended twice, each extension granting 3 years.
- L1-B Visa: Tailored for specialized knowledge professionals within the company, playing a crucial role in the development of U.S.-based operations. The L1-B visa is initially granted for 3 years and can be extended for an additional 2 years.