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官方來源
USCIS|Employment-Based Immigration:
https://www.uscis.gov/green-card/green-card-eligibility/green-card-for-employment-based-immigrants
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EB-1 子類別(概覽)
EB-1A:Extraordinary Ability
EB-1B:Outstanding Professors and Researchers
EB-1C:Multinational Managers or Executives
典型流程(概要)
I-140(USCIS)→ 排期(如適用)→ I-485(境內)或 DS-260(境外)
(是否需要雇主、可否自我申請與證據要求,依子類別規則而定)