US Citizenship Forms

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The forms in this section are specifically related to U.S. citizenship and naturalization. Whether you are a legal permanent resident seeking to naturalize, or a U.S. citizen who is seeking proof of citizenship, USCIS forms beginning with “N-” are the forms you will need.

Use the table below to find the form you need.

FormForm Name
N-300Application to File Declaration of Intention
N-336Request for a Hearing on a Decision Naturalization Proceedings
Under Section 336 of the Act
N-4Monthly Report Naturalization Papers
N-400Application for Naturalization
N-426Request for Certification of Military or Naval Service
N-470Application to Preserve Residence for Naturalization Purposes
N-565Application for Replacement of Naturalization/Citizenship
N-600Application for Certificate of Citizenship
N-600KApplication for Citizenship and Issuance of Certificate under
Section 322
N-644Application for Posthumous Citizenship
N-648Medical Certification for Disability Exceptions


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