### Question
What is the definition of controlled substance?


### Answer
The definition of **controlled substance** is as follows in *42 U.S.C. § 11924*:

> given such term in section 802 of title 21.

#### Citation:
  - *42 U.S.C. § 11924*
  - Heading: **CHAPTER 124-PUBLIC HOUSING DRUG ELIMINATION > SUBCHAPTER II-DRUG-FREE PUBLIC HOUSING**

