### Question
What is the definition of drug sample?


### Answer
The definition of **drug sample** is as follows in *21 U.S.C. § 353*:

> a unit of a drug, subject to subsection (b) of this section, which is not intended to be sold and is intended to promote the sale of the drug

#### Citation:
  - *21 U.S.C. § 353*
  - Heading: **CHAPTER 8-NARCOTIC FARMS > SUBCHAPTER V-DRUGS AND DEVICES > Part A-Drugs and Devices**

