(a) The term alien means any person who is not a citizen or national of the United States.
(b) The term national of the United States means:
(1) A citizen of the United States, or
(2) A person, though not a citizen of the United States, who owes allegiance to the United States.
source: 42 FR 4643, Feb. 1, 1982, unless otherwise noted.
cite as: 32 CFR 1602.3