Government forms

Form N-600: Application for Certificate of Citizenship

Requests a Certificate of Citizenship for someone who became a U.S. citizen through a parent, either at birth abroad or by deriving citizenship after a parent naturalized.

Edition 01/20/25

Source: U.S. Citizenship and Immigration Services (USCIS)

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Instructions for filling out Form N-600: Application for Certificate of Citizenship

This template is used for official filing and documentation. Below are detailed instructions for completing, requirement details, and submission rules.

Who needs to fill out this document?

This form is designed for use by legal entities, individuals, or authorized representatives in the following cases:

Children who became citizens when a parent naturalized.
Adults born abroad to a U.S. citizen parent.
Parents applying on behalf of a minor child.

What you will need before starting

Before filling out the interactive form, prepare the following details and documents:

1. Birth certificateApplicant's birth certificate.

2. Parent's citizenship proofParent's passport, naturalization certificate or birth certificate.

3. Parents' marriage recordsMarriage and divorce documents.

4. Residence and custody evidenceGreen card, legal custody and physical presence records.

Step-by-step filling process

Determine your basis: Citizenship at birth abroad or derived after birth.
Enter applicant details: Information about the applicant and their immigration history.
Enter parent information: Each U.S. citizen parent's details and residence history.
File with documents: File online or by mail, then attend an interview if scheduled.

Frequently Asked Questions (FAQ)

Do I need this to be a citizen?

No. If you meet the law's requirements you're already a citizen; the certificate is official proof.

Can I get a U.S. passport instead?

Yes. A passport also proves citizenship, and many people apply for one first.

How much is the filing fee?

Fees change periodically. Check the current amount on the USCIS Fee Schedule (Form G-1055) or the form's page at uscis.gov before you pay.

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