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In depth
A naturalization record is a government document certifying that a person acquired citizenship by naturalization — the date of naturalization, the court or authority that granted it, and the person's original nationality. It is critical for CBD cases to determine if the citizenship chain was broken.
For CBD cases, the naturalization record (or 'no record' letter) of the anchor ancestor is often the single most important document. If the ancestor naturalized BEFORE the next child's birth, the citizenship chain is broken (in most countries). If the ancestor naturalized AFTER the next child's birth, the chain is intact.
Naturalization records are held by: (1) USCIS (United States Citizenship and Immigration Services) for US naturalizations after 1906, (2) NARA (National Archives and Records Administration) for federal court naturalizations, (3) state and county courts for state/local naturalizations, and (4) the equivalent authorities in other countries.
Related terms
A 'no record' letter is an official document certifying that a search of naturalization records found no evidence that the person naturalized, used to prove the citizenship chain was not broken.
USCIS (United States Citizenship and Immigration Services) is the US government agency that holds naturalization records and issues 'no record' letters for CBD cases.
NARA (National Archives and Records Administration) is the US national archives, holding federal court naturalization records and other documents relevant to CBD cases.
The citizenship chain is the unbroken line of citizenship transmission from an ancestor to the applicant, which must be proven to claim citizenship by descent.
A long-form birth certificate is a detailed birth certificate that includes the child's and parents' full information, required for most CBD applications.
A short-form birth certificate is a simplified birth certificate showing only the child's basic information, typically not accepted for CBD applications.