H1B Extension Checklist 2026

What This Tool Shows You

• File at least 6 months before H1B expiry to preserve 240-day rule protection
• New LCA required for the extension period, must be certified before filing
• Employer financial docs (W-2s, tax returns) for ability to pay proof
• Approved I-140 enables 3-year extension beyond the 6-year cap (AC21)
• I-539 for H-4 dependents filed concurrently with I-129 extension

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Related Resources

• /tools/h1b-document-checklist
• /tools/h1b-six-year-limit-calculator
• /tools/h1b-portability-checker

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