An applicant for naturalization under this part must submit an Application for Naturalization, Form N-400, as provided in § 316.4 of this chapter. The application must be accompanied by Form N-426, Request for Certification of Military or Naval Service.
Code of Federal Regulations
[56 FR 50492, Oct. 7, 1991, as amended at 75 FR 2787, Jan. 19, 2010]