AEO summary
What this category covers
This page groups USCIS forms related to citizenship & naturalization (n series).
Forms for U.S. citizenship and naturalization. Includes N-400 (Naturalization), N-336 (Hearing), N-565 (Certificate Replacement), and N-600 (Certificate of Citizenship).
The N series forms are used throughout the naturalization and citizenship process. Form N-400 is the application for naturalization — the formal request to become a U.S. citizen — requiring detailed biographical information, residence history, moral character assessment, and the English and civics test. Form N-336 is used to request a hearing if naturalization is denied. Form N-565 is for replacement of naturalization/citizenship documents. Form N-600 is for obtaining a Certificate of Citizenship for individuals who acquired citizenship through parents. Form N-648 is a medical certification for disability exceptions to the English/civics requirements. Citizenship through naturalization grants full rights including voting and a U.S. passport.
This page groups USCIS forms related to citizenship & naturalization (n series).
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Application to File Declaration of Intention
Use this form if you are a permanent resident and want to declare your intent to become a U.S. citizen.
Request for a Hearing on a Decision in Naturalization Proceedings
Filed to request a hearing before an immigration officer after N-400 naturalization application denial.
Application for Naturalization
Apply to become a U.S. citizen. Must be a permanent resident for 3-5 years before applying.
USCIS forms related to citizenship & naturalization (n series).
Application to File Declaration of Intention
Use this form if you are a permanent resident and want to declare your intent to become a U.S. citizen.
Request for a Hearing on a Decision in Naturalization Proceedings
Filed to request a hearing before an immigration officer after N-400 naturalization application denial.
Application for Naturalization
Apply to become a U.S. citizen. Must be a permanent resident for 3-5 years before applying.
Request for Certification of Military or Naval Service
This form is used by an applicant for naturalization to request that the Department of Defense verify the applicant's military or naval service.
Application to Preserve Residence for Naturalization Purposes
Use this form if you are a lawful permanent resident who must leave the United States for a period of one year or longer to engage in qualifying employment and you want to preserve your residence to pursue naturalization.
Application for Replacement Naturalization/Citizenship Document
Use this form to apply for a replacement Declaration of Intention; Naturalization Certificate; Certificate of Citizenship; or Repatriation Certificate; or to apply for a special certificate of naturalization as a U.S. citizen to be recognized by a foreign country.
Application for Certificate of Citizenship
Apply for a Certificate of Citizenship if you acquired or derived U.S. citizenship through a parent.
Application for Citizenship and Issuance of Certificate Under Section 322
Children who regularly reside in a foreign country may use this form to claim U.S. citizenship based on their parents.
Application for Posthumous Citizenship
The certificate establishes only that the person is considered to be a citizen of the United States as of the date of his/her death, and is invalid for all other purposes.
Medical Certification for Disability Exceptions
Use this form if you are applying for U.S. citizenship and need to request an exception to the English and civics testing requirements for naturalization because of physical or developmental disability or mental impairment.
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