### Question
How is the term interstate commerce defined?


### Answer
The term **interstate commerce** is defined in *42 U.S.C. § 289g* as the following:

> given such term in section 321(b) of title 21.

#### Citation:
  - *42 U.S.C. § 289g*
  - Heading: **CHAPTER 6-THE CHILDREN'S BUREAU > SUBCHAPTER III-NATIONAL RESEARCH INSTITUTES > Part H-General Provisions**

