N-600K Application for Citizenship and Issuance of Certificate Under Section 322
For a child living abroad with a U.S. citizen parent who did not meet the physical-presence rules for transmitting citizenship at birth. The child comes to the United States temporarily, is interviewed, and takes the oath if old enough. Citizenship is granted rather than confirmed.
- Fee
- $1,385 paper, $1,335 online. $0 for a child who was the subject of a final adoption and meets the definition of child under INA 101(b)(1)(E), (F), or (G).
- Fee waiver
- Available (Form I-912)
- Who files
- A U.S. citizen parent, or a citizen grandparent or guardian, on behalf of a child under 18 living outside the United States.
- Where to file
- Online through a USCIS account, or by mail; the interview and oath take place at a USCIS office in the United States.
- Processing time
- 6.2 months (FY 2026 national median through June 30, 2026)
Usually filed with
Part of these processes
What changed in 2025 and 2026
- Everything must be completed before the child turns 18, and the child must be admitted to the United States in lawful status for the interview.
Official page. https://www.uscis.gov/n-600k. Download the form there, never from a third-party site; check the edition date and fee before filing.