Certificate of Citizenship Apostille: What You Need to Know
A Certificate of Citizenship apostille authenticates the USCIS document issued to citizens who acquired or derived citizenship rather than naturalizing. Foreign governments, courts, and civil registries that participate in the Hague Apostille Convention generally will not accept a U.S. document at face value; they require an apostille confirming the document is genuine. Because the Certificate of Citizenship is issued by a federal agency, the apostille must come from the U.S. Department of State rather than a state office — a distinction that trips up many applicants. This page explains what the certificate is, who holds one, how it differs from a Certificate of Naturalization, and how the federal apostille process works.
What is a Certificate of Citizenship?
A Certificate of Citizenship is an official document issued by U.S. Citizenship and Immigration Services (USCIS) on Form N-560 or N-561. It serves as legal proof that the holder is a United States citizen. Unlike a Certificate of Naturalization, it is issued to people who became citizens automatically by operation of law — they did not go through the naturalization process themselves. The most common holders are children born abroad to a U.S. citizen parent and children who derived citizenship automatically when a parent naturalized while the child was still a minor. The certificate records the holder's name, date of birth, and the date citizenship was established, and it remains valid for life unless revoked.
How to obtain a Certificate of Citizenship
A person who believes they acquired or derived U.S. citizenship applies for the certificate by filing Form N-600, Application for Certificate of Citizenship, with USCIS. The application requires evidence establishing the citizenship claim — typically the parent's proof of U.S. citizenship, the applicant's birth record, and documents showing the legal relationship between parent and child (and, where derivation is claimed, evidence of the parent's naturalization and the child's lawful permanent residence at the relevant time). USCIS reviews the evidence and, if the claim is established, issues the certificate. Parents can also file Form N-600 on behalf of a minor child. It is worth noting that a person can be a U.S. citizen without ever holding the certificate; the document proves citizenship, it does not create it.
What a Certificate of Citizenship is used for in the U.S.
Within the United States, the certificate functions as primary evidence of citizenship. It is commonly used to obtain a U.S. passport, to prove work eligibility, to apply for federal benefits that require citizenship, and to establish identity and status in legal or estate matters. For people who acquired citizenship abroad or through a parent, it is often the single clearest piece of paper connecting them to their U.S. citizenship, since they may have no U.S. birth certificate and no naturalization certificate. Many holders keep it as a permanent record even when they routinely use a passport for day-to-day identification, because passports expire and the certificate does not.
Do you need a Certificate of Citizenship?
Not everyone who is eligible for the certificate actually needs one. A valid U.S. passport is itself proof of citizenship and is sufficient for most everyday purposes, including employment verification and travel. The certificate becomes important in a few situations: when a foreign authority specifically asks for documentary proof of how citizenship was established, when a passport has expired or been lost and the underlying citizenship record needs to be re-proven, or when a person who derived citizenship as a child has no other primary evidence in their own name. For international use — dual-citizenship applications, foreign inheritance proceedings, civil registration abroad — foreign authorities frequently request the certificate itself, apostilled, rather than accepting a passport copy.
Certificate of Citizenship vs. Certificate of Naturalization
The two documents are often confused because both prove U.S. citizenship and both are issued by USCIS, but they cover different paths to citizenship. A Certificate of Naturalization goes to a person who went through the naturalization process themselves — filed Form N-400, passed the tests, and took the Oath of Allegiance. A Certificate of Citizenship goes to a person whose citizenship arose automatically by law: typically a child born abroad to a U.S. citizen parent, or a child who derived citizenship when a parent naturalized before the child turned 18. The distinction matters for apostille purposes only in one respect: both are federal USCIS documents, so both are apostilled by the U.S. Department of State, never by a state Secretary of State.
Replacing a lost Certificate of Citizenship (Form N-600)
If the original certificate has been lost, stolen, or damaged, the replacement route runs through USCIS. Form N-600 is the application used both to apply for a Certificate of Citizenship in the first instance and to obtain a replacement. Applicants requesting a replacement should explain the circumstances and provide any surviving copy or record of the original along with identity documents. Plan ahead if the certificate is needed for use abroad: USCIS processing takes time, and the apostille step can only begin once you hold the physical document, since the U.S. Department of State authenticates original documents, not photocopies of documents you no longer have.
How to apostille a Certificate of Citizenship
Because the Certificate of Citizenship is issued by a federal agency, its apostille is issued by the U.S. Department of State's Office of Authentications in Washington, D.C. State-level apostille offices cannot authenticate it — a request sent to a state Secretary of State will be returned. Filed by mail, federal apostille requests currently run roughly 8 to 12 weeks; filed in person in Washington, D.C., the same request completes in roughly 10 business days. Federal Apostille™ files in person at the Office of Authentications on your behalf, which is how we compress a multi-month mail queue into about two weeks door to door. You ship us the certificate (or we can coordinate secure handling), we submit it in person, and we return the apostilled original by tracked courier — ready for the foreign authority that requested it. If you are working against a deadline abroad, the in-person route is almost always the deciding factor.
Frequently asked questions
Can a state Secretary of State apostille my Certificate of Citizenship?+
No. The certificate is a federal document issued by USCIS, so only the U.S. Department of State in Washington, D.C. can issue its apostille. State offices authenticate state-issued documents such as birth certificates and notarized papers.
Can I apostille a photocopy instead of my original certificate?+
The U.S. Department of State authenticates the original federal document. If you are unwilling to part with the original or it has been lost, the practical path is to obtain a replacement certificate through Form N-600 and apostille the replacement.
I have a Certificate of Naturalization, not a Certificate of Citizenship — is the process different?+
The apostille process is the same. Both are USCIS-issued federal documents, and both are apostilled by the U.S. Department of State. The difference between the two certificates is only in how citizenship was obtained: naturalization certificates go to people who naturalized; citizenship certificates go to people whose citizenship arose automatically by law.
Federal Apostille™ is a private, independent courier and document-processing service. We are not affiliated with the U.S. Department of State or any government agency.