### Question
What does single, shared system of elements to assure safe use mean?


### Answer
**Single, shared system of elements to assure safe use** has the following meaning in *21 U.S.C. § 355*:

> a single, shared system of elements to assure safe use under section 355–1(f) of this title

#### Citation:
  - *21 U.S.C. § 355*
  - Heading: **CHAPTER 9-FEDERAL FOOD, DRUG, AND COSMETIC ACT > SUBCHAPTER V-DRUGS AND DEVICES > Part A-Drugs and Devices**

