### Question
How is the term Federal agency defined?


### Answer
The term **Federal agency** is defined in *42 U.S.C. § 4902* as the following:

> an executive agency (as defined in section 105 of title 5) and includes the United States Postal Service

#### Citation:
  - *42 U.S.C. § 4902*
  - Heading: **CHAPTER 65-NOISE CONTROL**

