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N-426, Request for Certification of Military or Naval Service

Purpose of Form

This form is used by an applicant for naturalization to request that the Department of Defense verify the applicant's military or naval service.

Number of Pages

Form 4; Instructions 4.

Edition Date

08/04/15. (Starting 01/01/2016, USCIS will only accept the 08/04/15 edition.  Until then, you can use the 04/30/13 edition.)  The edition date can be found at the bottom of the page on the Form and Instructions.

Where to File

Return the form to the office which requested the certification.

Filing Fee


Special Instructions

Please read the instructions carefully. If relevant, please see M-599, Naturalization Information for Military Personnel

If you are currently serving in the U.S. armed forces, you must submit a signed and certified Form N-426 with your Form N-400, Application for Naturalization. Your Form N-426 must be certified by your commanding officer or other individual authorized to certify the form.  NOTE:  Recruiters are not authorized to certify Form N-426.

If you previously served in the U.S. armed forces, you must submit a copy of Form DD214, Certificate of Release or Discharge from Active Duty, or NGB Form 22, National Guard Report of Separation and Record of Service, for any periods of service you have completed. You may submit an uncertified Form N-426 as long as the DD214 or NGB 22 cover all applicable periods of service and list the type of separation and character of service.


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Last Reviewed/Updated: 09/28/2015