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


### Answer
**Controlled substance** is defined as the following in *21 U.S.C. § 802*:

> a drug or other substance, or immediate precursor, included in schedule I, II, III, IV, or V of part B of this subchapter

#### Citation:
  - *21 U.S.C. § 802*
  - Heading: **CHAPTER 12-MEAT INSPECTION > SUBCHAPTER I-CONTROL AND ENFORCEMENT > Part A-Introductory Provisions**

