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Index/Topics/Certificate of Naturalization

Certificate of Naturalization

A government-issued document that serves as proof of naturalization, issued by USCIS and tied to Form N-550.

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Jan 16, 2026
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What official records are used to verify naturalization for members of Congress?

The primary official records that prove a person was naturalized are the USCIS-issued Certificate of Naturalization (Form N-550 or its variants) and the administrative files and indexes maintained by ...

Jan 16, 2026
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How does ICE use the SAVE system to verify citizenship and what documents trigger SAVE checks?

SAVE (Systematic Alien Verification for Entitlements) is a DHS/USCIS-operated, document-driven verification system that benefit-granting and licensing agencies use to check an applicant’s immigration ...