### Question
How is the "coupon" defined?


### Answer
The term **coupon** is defined in *21 U.S.C. § 353* as follows -

> a form which may be redeemed, at no cost or at a reduced cost, for a drug which is prescribed in accordance with subsection (b) of this section

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

