### Question
How is the term schedule II, III, or IV controlled substance defined?


### Answer
The term **schedule II, III, or IV controlled substance** is defined in *42 U.S.C. § 290ee* as the following:

> a controlled substance that is listed on schedule II, schedule III, or schedule IV of section 812(c) of title 21

#### Citation:
  - *42 U.S.C. § 290ee*
  - Heading: **CHAPTER 6A-PUBLIC HEALTH SERVICE > SUBCHAPTER III&ndash;A-SUBSTANCE ABUSE AND MENTAL HEALTH SERVICES ADMINISTRATION > Part D-Miscellaneous Provisions Relating to Substance Abuse and Mental Health**

