### Question
How is the "common carrier" defined?


### Answer
The term **common carrier** is defined in *50 U.S.C. § 1861* as follows -

> any person or entity transporting people or property by land, rail, water, or air for compensation

#### Citation:
  - *50 U.S.C. § 1861*
  - Heading: **CHAPTER 36-FOREIGN INTELLIGENCE SURVEILLANCE > SUBCHAPTER IV-ACCESS TO CERTAIN BUSINESS RECORDS FOR FOREIGN INTELLIGENCE PURPOSES**

