### Question
How does the law define substantially transformed?


### Answer
Under *49 U.S.C. § 20171*, **substantially transformed** is defined as:

> a component of a railroad freight car that undergoes an applicable change in tariff classification as a result of the manufacturing process, as described in chapter 4 and related annexes of the USMCA or any subsequent free trade agreement between the United States, Mexico, and Canada

#### Citation:
  - *49 U.S.C. § 20171*
  - Heading: **SUBTITLE V-RAIL PROGRAMS > PART A-SAFETY > CHAPTER 201-GENERAL > SUBCHAPTER II-PARTICULAR ASPECTS OF SAFETY**

