[Code of Federal Regulations] [Title 22, Volume 1] [Revised as of April 1, 2006] From the U.S. Government Printing Office via GPO Access [CITE: 22CFR51.52] [Page 247] TITLE 22--FOREIGN RELATIONS CHAPTER I--DEPARTMENT OF STATE PART 51_PASSPORTS--Table of Contents Subpart C_Evidence of U.S. Citizenship or Nationality Sec. 51.52 Citizenship by birth in territory under sovereignty of the United States. A person claiming nationality or citizenship of the United States under an act of Congress or treaty by virtue of his or her birth in territory under the sovereignty of the United States shall submit evidence of his birth in such territory. (22 U.S.C. 2658 and 3926) [31 FR 13540, Oct. 20, 1966, as amended at 49 FR 16989, Apr. 23, 1984]