N-600: Application for Certificate of Citizenship
Immigration Oasis is not USCIS, not the government, and not a law firm. USCIS forms are free. Government filing fees are separate.
How this support path works
Current form reference
Form edition referenced on this page: 01/20/25. Expiration shown on uploaded PDF: 02/28/2027. Fee schedule: G-1055 edition 05/29/26, checked again before reviewed materials are made available.
USCIS can change forms, fees, and filing rules. Review the current USCIS.gov form page before preparing reviewed materials.
Review checks before materials are ready
- Confirm current USCIS Form N-600 edition and instructions at before materials are ready.
- Confirm whether the applicant may already be a U.S. citizen through acquisition or derivation and whether N-600 is the correct path.
- Confirm parent citizenship, legal/biological/adoptive relationship, legitimation/custody/residence facts, dates, and age requirements.
- Confirm evidence: birth/adoption/custody records, parent naturalization/citizenship proof, green card/lawful admission proof where applicable, translations, and identity documents.
- Confirm filing method, G-1055 fee/zero-fee/fee-waiver category, signatures, interpreter/preparer sections, and your final decision about whether and when to submit.
Start with guided questions See pricing
What you receive
Immigration Oasis uses your answers and the required review steps to help prepare appropriate reviewed materials, a checklist, a worksheet, or form draft for this path when supported.
You review everything, print, sign where required, and decide whether and when to submit it. Immigration Oasis does not automatically file with USCIS.