### Question
Can you define what national security system means?


### Answer
**National security system** is defined as the following in *50 U.S.C. § 3100*:

> given that term in section 3542 of title 44.

#### Citation:
  - *50 U.S.C. § 3100*
  - Heading: **CHAPTER 44-NATIONAL SECURITY > SUBCHAPTER III-ACCOUNTABILITY FOR INTELLIGENCE ACTIVITIES**

