What are the requirements for L1 visa?

L1 visa requirements:

• Worked for qualifying organization (parent, subsidiary, affiliate, or branch) for at least 1 year in past 3 years
• Worked in managerial, executive, or specialized knowledge capacity
• Coming to U.S. to work in same capacity for related U.S. entity
• Qualifying relationship between foreign and U.S. companies

Key: Must have worked abroad for qualifying company for 1+ year before L1 transfer.