### Question
How is the "controlled substance" defined?


### Answer
The term **controlled substance** is defined in *49 U.S.C. § 46317* as follows -

> given that term in section 102 of the Comprehensive Drug Abuse Prevention and Control Act of 1970 (21 U.S.C. 802).

#### Citation:
  - *49 U.S.C. § 46317*
  - Heading: **SUBTITLE VII-AVIATION PROGRAMS > PART A-AIR COMMERCE AND SAFETY > subpart iv-enforcement and penalties > CHAPTER 463-PENALTIES**

