H-1B 6-Year Limit: Extensions, Recapture, and AC21 Explained (2026)
The H-1B visa has a 6-year maximum stay - but that 6-year clock is not as rigid as it sounds. Through AC21 recapture provisions, time spent outside the US, and green card process milestones, many H-1B holders can extend their status well beyond 6 years. This guide explains every legal mechanism available in 2026.
Frequently asked questions
Can I extend my H-1B beyond 6 years without a green card sponsor?
Not through AC21 extensions - those require either an approved I-140 or a PERM filed 365+ days before your 6-year limit. However, you can recapture time spent outside the US, which adds days to your 6-year clock. After hitting the limit without AC21 eligibility, you must leave for 1 year before a new H-1B cap number applies.
If my employer withdraws my I-140 after I change jobs, can I still use it for H-1B extensions?
Yes, in most cases. Once you have been in H-1B status for 180 days after an I-140 approval, the I-140 is portable under AC21 Section 106(c). Even if the original employer withdraws the petition, the approval can still be used for H-1B extensions and green card priority date purposes, as long as your new role is in the same or similar occupation.
How do I recapture H-1B time from trips abroad?
Your immigration attorney includes passport stamps and a travel log with your H-1B extension petition. USCIS cross-references CBP entry/exit records. You should download your travel history from the CBP website and maintain copies of all passports used during your H-1B period. Every documented day abroad can be recaptured and added back to your 6-year maximum.
Disclaimer: This article is for informational purposes only and does not constitute legal advice. Immigration law is complex and situation-specific. Always consult a licensed immigration attorney before making decisions about your immigration status.