### Question
What is the definition of drug?


### Answer
The definition of **drug** is as follows in *29 U.S.C. § 705*:

> a controlled substance, as defined in schedules I through V of section 202 of the Controlled Substances Act (21 U.S.C. 812)

#### Citation:
  - *29 U.S.C. § 705*
  - Heading: **CHAPTER 16-VOCATIONAL REHABILITATION AND OTHER REHABILITATION SERVICES > GENERAL PROVISIONS**

