### Question
How is the "United States person" defined?


### Answer
The term **United States person** is defined in *50 U.S.C. § 1873* as follows -

> a citizen of the United States or an alien lawfully admitted for permanent residence (as defined in section 1101(a) of title 8)

#### Citation:
  - *50 U.S.C. § 1873*
  - Heading: **CHAPTER 36-FOREIGN INTELLIGENCE SURVEILLANCE > SUBCHAPTER V-OVERSIGHT**

