8 C.F.R. § 329.4 : Aliens and Nationality — DEPARTMENT OF HOMELAND SECURITY — NATIONALITY REGULATIONS — SPECIAL CLASSES OF PERSONS WHO MAY BE NATURALIZED: PERSONS WITH ACTIVE DUTY OR CERTAIN READY RESERVE SERVICE IN THE UNITED STATES ARMED FORCES DURING SPECIFIED PERIODS OF HOSTILITIES — Application and evidence

(a) Application. An applicant for naturalization under section 329 of the Act must submit an application on the form prescribed by USCIS in accordance with the form instructions and as provided in 8 CFR 316.4.
(b) Evidence. The applicant's eligibility for naturalization under 8 CFR 329.2(a), (b), or (c)(2) will be established only by a certification of honorable service by the executive department under which the applicant served or is serving.

8 C.F.R. § 329.4

76 FR 53800, 8/29/2011