Form & ChecklistUpdated April 15, 2026
Form I-129 — Annotated for O-1A
Field-by-field annotations on Form I-129 and the O classification supplement, with common mistakes highlighted.
Form I-129 is the core petition form for most nonimmigrant worker classifications, including O-1. This annotated copy walks through each field that trips people up, with plain-language notes beside every part you are likely to get wrong.
What is inside
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