### Question
Can you define what modified use means?


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

> 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**

