An H-1B transfer, officially called H-1B portability, is the process of switching from one employer to another while staying on your existing H-1B visa. You don’t need to apply for a brand-new visa or go through the annual lottery again. Instead, your new employer files a petition with USCIS, and you can begin working for them as soon as that petition is received, even before it’s approved.
This right comes from the American Competitiveness in the 21st Century Act (AC21), which changed the rules so that H-1B workers weren’t locked into a single employer. The law treats a transfer less like starting from scratch and more like updating who sponsors your status.
Who Is Eligible to Transfer
Not every H-1B holder automatically qualifies. The law sets three core requirements. You must have been lawfully admitted to the United States. Your new employer must file the transfer petition before your current authorized stay expires. And you must not have worked without authorization at any point since your last lawful admission.
One detail that catches people off guard: if you switched from H-1B status to a different visa category (say, H-4 or L-1), you lose eligibility for the portability rule, even if you previously held H-1B status and meet every other requirement. Portability only applies while you’re actively in H-1B status.
You also don’t need to count against the annual H-1B cap again, since you were already counted when your original H-1B was approved. This is a major advantage because it means transfers can happen year-round, regardless of whether the cap has been reached.
Cap-Exempt to Private Employer Transfers
There’s one important exception to the “no new cap” rule. If your current H-1B is through a cap-exempt employer, like a university, nonprofit research organization, or government research institution, moving to a private, cap-subject company typically requires going through the lottery and getting a new cap-subject approval. Your new employment can’t start before October 1 of the fiscal year it’s approved for.
However, there are workarounds. If you held a cap-subject H-1B at some point in the past and haven’t used up your full six years, you can use that earlier cap-subject status to file a portability transfer and start working once USCIS receives the petition. Another rare scenario: if cap numbers are still available in a given fiscal year, you could transfer using the portability rule without waiting, though in practice this almost never happens because the cap fills quickly.
How the Transfer Process Works
The transfer involves two main filings, both handled by your new employer.
First, the new employer submits a Labor Condition Application (LCA) to the Department of Labor through the FLAG system. This is a formal attestation that the employer will pay the prevailing wage for the position and comply with all H-1B program requirements. The LCA cannot be filed more than six months before the job’s start date. The Department of Labor reviews it within seven working days for completeness and obvious errors.
Once the LCA is certified, the employer files Form I-129 (Petition for a Nonimmigrant Worker) with USCIS. This is the actual transfer petition. The critical moment is when USCIS receives it: that receipt date is when you’re legally authorized to start working for the new employer. You don’t have to wait for approval.
When You Can Start Working
This is the part of portability that surprises most people. You can begin your new job the day USCIS receives the I-129 petition, not the day it’s approved. Your employment authorization continues while the petition is being reviewed. If it’s ultimately approved, you keep working as normal. If it’s denied, you must stop working immediately.
This means the practical gap between leaving one employer and starting another can be very short, sometimes just a matter of days if the paperwork is ready. Many people coordinate with their new employer to have the petition filed before their last day at the old job, creating a seamless transition.
Processing Times and Costs
Standard processing for an H-1B transfer petition currently takes four to eight months, and sometimes longer. If that timeline is too slow, premium processing cuts it to two to four weeks for an additional fee.
The employer is responsible for the filing costs, which add up quickly. The base USCIS filing fee is $460. On top of that, there’s a $500 anti-fraud fee required for all new H-1B petitions. Depending on the employer’s size and the specific situation, additional fees may apply, including a training fee that varies based on company headcount. Premium processing, when requested, carries its own separate fee.
Because these costs fall on the employer, some companies build H-1B transfer expenses into their hiring budgets, while others may be less familiar with the process. It’s worth discussing the timeline and fees early in the hiring conversation so both sides have realistic expectations.
Documents You’ll Need
Your new employer handles the petition, but you’ll need to provide a stack of personal and professional documents. The typical checklist includes:
- Passport: biographical page from your current passport (and old passports, if applicable)
- Immigration records: your most recent I-94 arrival record, current visa stamp, and any prior H-1B approval notices
- Pay stubs: your three most recent pay stubs from your current employer, proving you’ve been maintaining status
- Resume or CV: an up-to-date version
- Education credentials: diplomas, transcripts, translations if needed, and an academic equivalency evaluation for degrees earned outside the U.S.
- Professional licenses: if your role requires them (medical licenses, for example)
If you have dependents in H-4 status who need to transfer along with you, they’ll need their own set of documents, including the primary visa holder’s records and a marriage certificate.
The 60-Day Grace Period
If you lose your job before a transfer is filed, you’re not immediately out of status. Federal regulations provide a grace period of up to 60 consecutive calendar days (or until the end of your authorized validity period, whichever comes first) for H-1B workers after employment ends. During this window, you’re still considered to be maintaining your status.
This grace period gives you time to find a new employer who can file a transfer petition on your behalf. Alternatively, you can file to change to a different visa status, such as B-2 visitor status, or file for adjustment of status if you’re eligible. If none of these options work out within the 60 days, you’re expected to leave the country.
The grace period is discretionary, not guaranteed, so it’s best to move quickly. Having a new employer ready to file before the clock runs out is the safest path.
What Happens if the Transfer Is Denied
Starting work on a receipt notice carries real risk. If the transfer petition is ultimately denied after you’ve already begun working for the new employer, you must stop working immediately. At that point, you may have up to 60 days of grace to either find another employer to file a new petition, change your status, or leave the United States.
This is why the quality of the petition matters. A poorly prepared filing or one that doesn’t clearly demonstrate that the role qualifies as a specialty occupation increases the chance of denial. Most immigration attorneys recommend that the new employer work with experienced legal counsel to make sure the petition is solid before it’s filed, especially since your ability to remain in the country depends on the outcome.
One practical safeguard: some H-1B holders avoid giving notice at their current job until the transfer petition has been filed and a receipt notice is in hand. This way, if something goes wrong with the filing itself, they haven’t left their current position prematurely.