### Question
How does PROGRAMS AND ACTIVITIES define affected unit?


### Answer
Under *42 U.S.C. § 7651a*, **affected unit** is defined as:

> a unit that is subject to emission reduction requirements or limitations under this subchapter

#### Citation:
  - *42 U.S.C. § 7651a*
  - Heading: **SUBCHAPTER I-PROGRAMS AND ACTIVITIES > Codification**

