### Question
What is the definition of Federal implementation plan?


### Answer
The definition of **Federal implementation plan** is as follows in *42 U.S.C. § 7602*:

> a plan (or portion thereof) promulgated by the Administrator to fill all or a portion of a gap or otherwise correct all or a portion of an inadequacy in a State implementation plan, and which includes enforceable emission limitations or other control measures, means or techniques (including economic incentives, such as marketable permits or auctions of emissions allowances), and provides for attainment of the relevant national ambient air quality standard

#### Citation:
  - *42 U.S.C. § 7602*
  - Heading: **CHAPTER 85-AIR POLLUTION PREVENTION AND CONTROL > SUBCHAPTER III-GENERAL PROVISIONS**

