22 CFR 51.44 : Foreign Relations (§ 1.1 To Parts 1702-1799) — (§ 1.1 To Parts 240-299) — Department Of State (§ 1.1 To Parts 197-199) — Nationality And Passports (§ 50.1 To § 53.4) — Passports (§ 51.1 To § 51.74) — Evidence Of U.S. Citizenship Or Nationality (§ 51.40 To § 51.46) — Proof of resumption or retention of U.S. citizenship.

4 Aug 2016

An applicant who claims to have resumed or retained U.S. citizenship must submit with the application a certificate of naturalization or evidence that he or she took the steps necessary to resume or retain U.S. citizenship in accordance with the applicable provision of law.

22 CFR 51.44