Application to File Declaration of Intention Use this form as a permanent resident to apply for a Declaration of Intention to become a citizen of the United States. (Form N-300 (Rev. 07/30/07)Y
Application for Naturalization Use this form to apply for naturalization to become a U.S. citizen. (Form N-400 (Rev. 10/15/07) Y
Request for Certification of Military or Naval Service Use this form to apply for an authenticated certification of honorable active duty service from the U.S. Government Executive Department, under which you served or are serving, to satisfy statutory requirements for naturalization as a U.S. citizen. (Form N-426 Instructions (Rev. 06/30/06)Y
Application to Preserve Residence for Naturalization Purposes Use this form if you are a permanent resident alien who must leave the United States for certain employment purposes and wish to preserve your status as an immigrant in order to pursue naturalization. (Form N-470 (Rev. 07/30/07) Y
Instructions for N-600, Application for Certificate of Citizenship These instructions are to help you apply for a Certificate of Citizenship if you were born outside the United States to citizen parents, or adopted outside the United States. (Form N-600 Instructions (Rev. 10/15/07)Y