### Question
How is the "fungible good" or "fungible material" defined?


### Answer
The term **fungible good" or "fungible material** is defined in *19 U.S.C. § 4531* as follows -

> a good or material, as the case may be, that is interchangeable with another good or material for commercial purposes and the properties of which are essentially identical to such other good or material

#### Citation:
  - *19 U.S.C. § 4531*
  - Heading: **CHAPTER 29-UNITED STATES&ndash;MEXICO&ndash;CANADA AGREEMENT IMPLEMENTATION > SUBCHAPTER II-CUSTOMS PROVISIONS**

