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Index/Topics/Proof of U.S. Citizenship at Ports of Entry

Proof of U.S. Citizenship at Ports of Entry

The primary documents and alternatives accepted for proving U.S. citizenship when arriving at ports of entry, including the role of passports, birth certificates, and other identification documents.

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2 results
Jan 29, 2026
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What legal documents should U.S. citizens carry to prove citizenship at ports of entry?

most securely prove citizenship with a valid U.S. passport; acceptable alternatives include a U.S. birth certificate, Certificate of Citizenship or Naturalization, and a Consular Report of Birth Abroa...

Jan 31, 2026
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What documentation and steps reduce the risk of being turned away at U.S. borders or airports?

(passport or other accepted secure ID), proof of status for lawful permanent residents or visa holders, and any travel-specific approvals (ESTA, visa, I-94, Trusted Traveler cards); pre-enrollments an...

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