### Question
How is the "commercial nuclear power reactor" defined?


### Answer
The term **commercial nuclear power reactor** is defined in *42 U.S.C. § 2021b* as follows -

> any unit of a civilian light-water moderated utilization facility required to be licensed under section 2133 or 2134(b) of this title

#### Citation:
  - *42 U.S.C. § 2021b*
  - Heading: **CHAPTER 22-INDIAN HOSPITALS AND HEALTH FACILITIES > Division A-Atomic Energy > SUBCHAPTER I-GENERAL PROVISIONS**

