[Code of Federal Regulations] [Title 22, Volume 1] [Revised as of April 1, 2002] From the U.S. Government Printing Office via GPO Access [CITE: 22CFR51.45] [Page 265] 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. 51.45 Marriage to an alien prior to March 2, 1907. A woman citizen of the United States who married an alien prior to March 2, 1907, did not lose her U.S. citizenship unless she acquired as a result of the marriage the nationality of her husband and thereafter took up a permanent residence abroad prior to September 22, 1922.