### Question
How is the "major critical component" defined?


### Answer
The term **major critical component** is defined in *42 U.S.C. § 2153a* as follows -

> any component part or group of component parts which the President determines to be essential to the operation of a complete uranium enrichment, nuclear fuel reprocessing, or heavy water production facility

#### Citation:
  - *42 U.S.C. § 2153a*
  - Heading: **CHAPTER 23-DEVELOPMENT AND CONTROL OF ATOMIC ENERGY > Division A-Atomic Energy > SUBCHAPTER X-INTERNATIONAL ACTIVITIES**

