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ImmigrationClock explains · Citizenship

What happens at a naturalization ceremony

The oath is the last step. Until it is taken, the applicant is not yet a citizen.

The facts

  1. Taking the Oath of Allegiance at a naturalization ceremony is the final step in becoming a U.S. citizen. An applicant whose application has been approved is not a citizen until the oath is taken.
  2. Ceremonies are either judicial, administered by a court, or administrative, administered by USCIS.
  3. After the oath, the new citizen receives a Certificate of Naturalization, which is the proof of citizenship.
  4. USCIS's Policy Manual sets out how administrative ceremonies are conducted, including which outside organizations may take part and what they may do there. That guidance has changed more than once, and each change is recorded as a policy alert.
  5. ImmigrationClock records each Policy Manual change touching naturalization ceremonies as its own entry, linked to the alert.

Why it matters

The ceremony is where rules about voter registration, outside organizations and timing actually bite, and it is the step most people know least about until they are standing in it.

Sources

Every sentence above was written by a person from these sources and last checked against them on Sep 2, 2026.

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