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


### Answer
Under *20 U.S.C. § 1415*, **controlled substance** is defined as:

> a drug or other substance identified under schedules I, II, III, IV, or V in section 202(c) of the Controlled Substances Act (21 U.S.C. 812(c))

#### Citation:
  - *20 U.S.C. § 1415*
  - Heading: **CHAPTER 33-EDUCATION OF INDIVIDUALS WITH DISABILITIES > SUBCHAPTER II-ASSISTANCE FOR EDUCATION OF ALL CHILDREN WITH DISABILITIES**

