22 C.F.R. § 51.51 Former nationals of Spain or Denmark.
Title 22 - Foreign Relations
Former nationals of Spain or Denmark who acquired nationality or citizenship of the United States under an act of Congress or treaty by virtue of residence in territory under the sovereignty of the United States shall submit evidence of their former nationality and of their residence in such territory.
Title 22: Foreign Relations
PART 51—PASSPORTS
Subpart C—Evidence of U.S. Citizenship or Nationality
Citizenship by Act of Congress or Treaty
§ 51.51 Former nationals of Spain or Denmark.