citizen of the United States
In this title, the term “citizen of the United States”, when used in reference to a natural person, means an individual who is a national of the United States as defined in section 101(a)(22) of the Immigration and Nationality Act ( 8 U.S.C. 1101(a)(22) ).
46 USC § 104
None identified, default scope is assumed to be the parent (chapter 1) of this section.