The Application for Naturalization Form I-400 is available for downloading online at USCIS.gov, according to the U.S. Citizenship and Immigration Services. Click on the Citizenship link at the top of the home page, and select Apply for Citizenship.Continue Reading
Click on the Form N-400, Application for Naturalization link located in Step 3, instructs USCIS. Next, select the Form N-400 link located at the top of the N-400, Application for Naturalization page.
The N-400 page on the USCIS website also includes links to form instructions, naturalization requirements, a document checklist, current fees, and a naturalization eligibility worksheet. Mailing instructions, including mailing addresses, are also available on the Web page, advises USCIS.Learn more about Immigration