On April 13, 2016, USCIS revised Form N-400, Application for Naturalization. The revised version is available at uscis.gov/n-400. You may continue to use the 9/13/13 edition of the form until August 9, 2016. USCIS will reject and return previous versions of Form N-400 submitted on or after August 10, 2016.
The eligibility requirements for naturalization have not changed. For information on how to complete the form, and where eligibility requirements can be found, visit uscis.gov/n-400. For additional information refer to our Guide to Naturalization.