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Types of documents that serve as proof of U.S. citizenship, including passports, birth certificates, and naturalization certificates.
Official, primary proof of U.S. citizenship is straightforward on paper: a full, valid U.S. birth certificate, an undamaged U.S. passport, a Certificate of Naturalization, or a Certificate of Citizens...
ICE policy and practice in 2025 treats a narrow set of federal and state-issued documents—most centrally the U.S. passport and formal naturalization/citizenship certificates—as the clearest, probative...
California requires one original or certified identity document showing full legal name and date of birth to establish identity for a REAL ID; typical accepted identity documents include a valid U.S. ...
State-issued birth certificates and certified copies are primary evidence that someone was born in the United States and therefore can establish U.S. citizenship in many administrative and legal conte...
An intercountry adoptee should first determine whether U.S. citizenship was automatically acquired under the Child Citizenship Act or other statutes and then secure documentary proof — most commonly a...