### Question
Can you define what controlled substance means?


### Answer
**Controlled substance** is defined as the following in *42 U.S.C. § 11905*:

> given such term in section 802 of title 21.

#### Citation:
  - *42 U.S.C. § 11905*
  - Heading: **CHAPTER 124-PUBLIC HOUSING DRUG ELIMINATION > SUBCHAPTER I-PUBLIC AND ASSISTED HOUSING DRUG ELIMINATION**

