### Question
How is the term modified use defined?


### Answer
The term **modified use** is defined in *16 U.S.C. § 539m* as the following:

> an existing use that, at any time after February 20, 2003, is modified or reconfigured but not significantly expanded

#### Citation:
  - *16 U.S.C. § 539m*
  - Heading: **CHAPTER 2-NATIONAL FORESTS > SUBCHAPTER I-ESTABLISHMENT AND ADMINISTRATION**

