what is the difference between l1a and l1b visa?
The L1A visa is granted for a period of 1 year for new, start-up companies and 3 years for existing companies. ... The L1B visa is granted for a period of 1 year for new companies and 3 years for existing companies. L1B employees may be granted L1B visa extensions of 2 year increments for up to 5 years.