### Question
What is the definition of alien?


### Answer
The definition of **alien** is as follows in *49 U.S.C. § 5103a*:

> given the term in section 101(a)(3) of the Immigration and Nationality Act.

#### Citation:
  - *49 U.S.C. § 5103a*
  - Heading: **SUBTITLE III-GENERAL AND INTERMODAL PROGRAMS > CHAPTER 51-TRANSPORTATION OF HAZARDOUS MATERIAL**

