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Generally, yes. An H-1B worker may be able to start with a new employer while a PERM labor-certification application is pending, but the new employer must file its own qualifying H-1B petition and have an approved, unexpired Labor Condition Application (LCA) covering the work. A pending PERM does not authorize work for the new employer, and it does not automatically transfer to that employer.
How an H-1B worker can start with a new employer
H-1B portability is separate from the PERM process. Under the U.S. Department of Labor’s Fact Sheet #62W, an employed H-1B worker may begin work for a new employer once that employer files a nonfrivolous Form I-129 petition, provided the portability requirements are met. The petition must be filed before the worker’s authorized period of stay expires, and the employer must have submitted an approved, unexpired LCA that covers the offered work. The petition need not already be approved for the worker to start under portability.
The new employer is responsible for the H-1B petition and LCA. It may use an applicable existing LCA or obtain a new one. The LCA must cover the work the worker will perform. The Department of Labor explains the H-1B program and employer filing obligations on its H-1B program page.
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An offer letter or the original employer’s PERM filing is not enough. Confirm that the new employer has actually filed the petition and that the required LCA covers the position before relying on portability to begin work.
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What happens to the pending PERM case
PERM is an employer-sponsored labor-certification process for a specific permanent job opportunity. It is not a portable work permit, and a worker’s H-1B move does not automatically move the PERM application to the new employer.
The Department of Labor’s Board of Alien Labor Certification Appeals (BALCA) benchbook summarizes the general principle that the job opportunity and area of intended employment must remain the same; a different employer generally needs a new application unless the same opportunity and area are preserved. The benchbook is from 1992, so it is not a complete statement of current law for every merger, corporate successor, or reorganization. See the BALCA benchbook and get case-specific advice for unusual corporate changes.
If the worker changes H-1B employers, the original PERM sponsor’s future job offer remains a separate issue. The worker and original sponsor must still have the required genuine intent concerning the sponsored permanent position. Whether that intent continues, and what a particular job change means for the case, depends on the facts and the case stage. A new employer that wants to sponsor the worker for permanent residence should expect to evaluate its own process.
Do not confuse these three immigration rules
| Rule or process | When it matters | What it does |
|---|---|---|
| H-1B portability | After a qualifying new employer files the H-1B petition and has the required LCA, if the worker meets portability conditions | May allow the worker to begin work for the new H-1B employer before the petition is adjudicated |
| AC21 adjustment portability | For certain employment-based adjustment applicants with an approved immigrant petition and an I-485 pending at least 180 days | May allow a change to a job in the same or a similar occupational classification; it is not triggered by a pending PERM alone |
| H-1B extensions beyond six years | For certain workers who meet the applicable statutory and regulatory requirements, including a 365-day threshold tied to a qualifying labor-certification or immigrant-petition filing | May support an extension beyond the usual six-year limit; a past PERM filing alone does not guarantee eligibility |
H-1B portability: changing employers
This is the process relevant to starting a new H-1B job while PERM is pending. It depends on the new employer’s petition and LCA, as well as the worker’s eligibility for portability. The PERM filing does not supply work authorization for this move.
AC21 adjustment portability: changing jobs after I-485
USCIS describes a separate rule for certain employment-based adjustment applicants: if the worker has an approved immigrant petition and the Form I-485 has been pending for at least 180 days, the worker may be able to change to a job in the same or a similar occupational classification. This is a later-stage adjustment rule, not a waiting period for H-1B portability. See the USCIS Policy Manual guidance on job portability.
Extensions beyond the H-1B six-year limit
USCIS materials describe a separate AC21 route to certain extensions beyond six years when at least 365 days have elapsed since a qualifying labor-certification or employment-based immigrant-petition filing. Other conditions apply, including the timing and status of the relevant filing. USCIS field-manual materials and an agency decision explain aspects of this rule: Adjudicator’s Field Manual material and USCIS decision on the 365-day requirement. The decision explains that an already expired labor certification did not satisfy the requirement in that case. Do not assume that a PERM filing that once existed will support an extension.
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Check these facts before changing jobs
- Confirm whether you are currently in valid H-1B employment and the expiration date of your authorized stay.
- Ask the prospective employer to confirm that it has filed a nonfrivolous Form I-129 and that an approved, unexpired LCA covers the offered work.
- Check how close you are to the six-year H-1B limit. If an extension may be needed, verify the exact filing dates, case status, and applicable eligibility requirements.
- Identify the PERM’s status—pending, certified, denied, or under appeal—and confirm whether the sponsoring employer still intends to offer the permanent position.
- Determine whether an I-140 has been filed or approved and whether an I-485 has been filed. If an I-485 is pending, check how long it has been pending before relying on adjustment portability.
- If the move involves a merger, acquisition, successor employer, or reorganization, get an individualized review of how the change affects the PERM job opportunity and sponsor.
These rules turn on petition history, dates, employer actions, and case status. An immigration attorney can review those details before you resign or start work for a new employer.
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