### Question
How does the law define controlled substance?


### Answer
Under *42 U.S.C. § 1437d*, **controlled substance** is defined as:

> given the term in section 802 of title 21.

#### Citation:
  - *42 U.S.C. § 1437d*
  - Heading: **CHAPTER 8-LOW-INCOME HOUSING > SUBCHAPTER I-GENERAL PROGRAM OF ASSISTED HOUSING**

