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


### Answer
The term **interstate commerce** is defined in *42 U.S.C. § 274e* as follows -

> prescribed for it by section 321(b) of title 21.

#### Citation:
  - *42 U.S.C. § 274e*
  - Heading: **CHAPTER 6-THE CHILDREN'S BUREAU > SUBCHAPTER II-GENERAL POWERS AND DUTIES > Part H-Organ Transplants**

