### Question
How does the law define eligible area?


### Answer
Under *49 U.S.C. § 5312*, **eligible area** is defined as:

> an area that is—


(I) designated as a nonattainment area for ozone or carbon monoxide under section 107(d) of the Clean Air Act (42 U.S.C. 7407(d))

#### Citation:
  - *49 U.S.C. § 5312*
  - Heading: **SUBTITLE III-GENERAL AND INTERMODAL PROGRAMS > CHAPTER 53-PUBLIC TRANSPORTATION**

