22 C.F.R. § 51.40 Burden of proof.
Title 22 - Foreign Relations
The applicant has the burden of proving that he or she is a national of the United States. [66 FR 29907, June 4, 2001]
Title 22: Foreign Relations
PART 51—PASSPORTS
Subpart C—Evidence of U.S. Citizenship or Nationality
§ 51.40 Burden of proof.