### Question
How is the term sought chemical element defined?


### Answer
The term **sought chemical element** is defined in *19 U.S.C. § 1313* as the following:

> an element listed in the Periodic Table of Elements that is imported into the United States or a chemical compound consisting of those elements, either separately in elemental form or contained in source material

#### Citation:
  - *19 U.S.C. § 1313*
  - Heading: **CHAPTER 4-TARIFF ACT OF 1930 > SUBTITLE II-SPECIAL PROVISIONS > Part I-Miscellaneous**

