22 C.F.R. § 51.41 Documentary evidence.
Title 22 - Foreign Relations
Every application shall be accompanied by evidence of the U.S. nationality of the applicant. [66 FR 29907, June 4, 2001]
Title 22: Foreign Relations
PART 51—PASSPORTS
Subpart C—Evidence of U.S. Citizenship or Nationality
§ 51.41 Documentary evidence.