Vance v. Terrazas

Section 349 (a) (2) of the Immigration and Nationality Act (Act), 66 Stat. 267, 8 U. S. C. § 1481 (a)(2), provides that “a person who is a national of the United States whether by birth or naturalization, shall lose his nationality by . . . taking an oath or making an affirmation or other formal declaration of allegiance to a foreign state or a political subdivision thereof.” The Act also provides that the party claiming that such loss of citizenship occurred must “establish such claim by a preponderance of the evidence” and that the voluntariness of the expatriating conduct is rebuttably…