### Question
How is the "commercial motor vehicle" defined?


### Answer
The term **commercial motor vehicle** is defined in *49 U.S.C. § 5103a* as follows -

> given that term by section 31101.

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

