Do you need to bring documents?
Answer
Yes, your documents and USCIS notices
Explanation
Yes, applicants must bring specific documents to the Oath of Allegiance ceremony to complete the final administrative steps and receive the Certificate of Naturalization. The required documents are listed on Form N-445 (Notice of Naturalization Oath Ceremony), which USCIS mails to the applicant several weeks before the ceremony.
The core documents are: the original Form N-445 itself, with the back of the form completed (the back is a questionnaire asking whether the applicant has, since the interview, traveled outside the United States, claimed exemption from U.S. military service, joined any organization, been arrested or charged with a crime, or had any other change in circumstances that might affect eligibility); the original Permanent Resident Card (Form I-551, the green card), which USCIS will collect and retire at the ceremony; any reentry permits (Form I-327) or refugee travel documents (Form I-571) the applicant has been issued; and any other USCIS documents specific to the applicant's case (work authorization documents, advance parole documents, prior denial notices, etc.).
Applicants who lost their green card before the ceremony should still attend; USCIS will note the missing card in the file but will proceed with the oath. Applicants who answered yes to any question on the back of Form N-445 (significant travel, arrests, organization affiliation, etc.) must report the new information to USCIS at check-in; depending on the answers, USCIS may continue the case for further review rather than proceed with the oath.
Applicants should also bring a state-issued photo identification document (driver's license, state ID, or unexpired passport) for check-in identification, and family members or friends attending as guests should bring photo identification for entry through security.
After the oath is administered, the applicant receives the Certificate of Naturalization (Form N-550), which becomes the primary proof of citizenship. The applicant should carefully review the certificate before leaving the ceremony to verify that the name, date of birth, and other personal information are correct; any errors should be reported to USCIS staff at the venue immediately, as corrections after the ceremony require Form N-565 (Application to Replace Naturalization or Citizenship Document) and a fee.
Why this matters for your test
Bringing the right documents to the oath ceremony is the last administrative step before becoming a citizen. The Form N-445 questionnaire on the back is especially important: post-interview changes (travel, arrests, organizations) must be disclosed and can affect whether the oath is administered that day.
Reviewing the certificate on the spot prevents the need to file replacements later.
Source: USCIS Application Guide (2025)
