IN THIS GUIDE · Document actual knowledge and employment in a closely held business
Start with the L-1B eligibility and application overview
Identify the work actually performed
Hypothetical example: the applicant helped in several capacities before later becoming an employee with defined duties. Identify the actual dates, employer and responsibilities. Do not treat every earlier family involvement as qualifying employment or assume that informal records prove a continuous full-time period.
Explain the relevant organizational knowledge
Describe special product knowledge and international application or advanced process and procedure knowledge supported by actual experience. There is no universal uniqueness or secrecy requirement. Knowing the owners well is not a substitute for explaining the knowledge used in U.S. duties. Hypothetical example: a fluoropolymer microvalve producer seeks to transfer the employee who troubleshoots a documented curing sequence. The decision is whether the U.S. role uses knowledge that is special or advanced within the organization, rather than experience that any trained technician could supply. The file also must show one qualifying year with a qualifying organization abroad during the three years before the request. L-1B classification is generally capped at five years, while L-1A is generally capped at seven; remaining time should be calculated before the business fixes the assignment length. It should identify who can explain the process, when it was learned, and why the knowledge matters to the U.S. assignment.
Use genuine records and explain their limits
Identify relevant project, training, duty and employment records. Where records are incomplete, explain the gap and what appropriate evidence exists. Do not backdate or invent an employment account to make informal history appear more regular than it was.
Establish the complete proposed transfer
Identify the actual U.S. duties, supervision and legal entities and have the qualifying relationship assessed. Family ties do not establish corporate affiliation by themselves. A credible knowledge explanation cannot replace missing qualifying employment or the applicable process.
The offsite placement test, which many strong files fail
Any experienced cheesemaker can manage a ripening room; that is industry skill and does not support L-1B. L-1B placement at another employer's worksite is not permitted if the employee will be controlled and supervised principally by that employer, or if the placement is essentially an arrangement to provide labour for hire rather than work connected with the petitioner's specialized knowledge. Primarily offsite work with an unaffiliated employer requires review of actual control and labour-for-hire restrictions. Start with a before-and-after duty comparison, then identify the manuals, system records, project files, or knowledgeable witnesses that support the account. The evidence that answers this is contractual and organizational: who assigns the tasks, who signs the performance reviews, who bears responsibility for the deliverable, and whether the work at the client site is itself the specialized work. Versions of internal procedures, controlled-access records, training duration and concrete troubleshooting examples may settle that point.
Sources reviewed 2026-09-07. This guide covers a preparation focus; it is not an individual eligibility assessment.