National of the United States
National of the United States means a citizen of the United States, or a person who, though not a citizen, owes permanent allegiance to the United States, as defined in 8 U.S.C. 1101(22), and includes American Samoa and Swains Island.
49 CFR § 1570.3
In addition to the definitions in 1500.3, 1500.5, and 1503.202 of subchapter A, the following terms are used in this subchapter: