### Question
How does PUBLIC HEALTH SERVICE define interstate commerce?


### Answer
Under *42 U.S.C. § 274e*, **interstate commerce** is defined as:

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

#### Citation:
  - *42 U.S.C. § 274e*
  - Heading: **CHAPTER 6A-PUBLIC HEALTH SERVICE > SUBCHAPTER II-GENERAL POWERS AND DUTIES > Part H-Organ Transplants**

