### Question
How does the law define national security system?


### Answer
Under *50 U.S.C. § 415a*, **national security system** is defined as:

> given that term in section 3542 of title 44.

#### Citation:
  - *50 U.S.C. § 415a*
  - Heading: **CHAPTER 15-NATIONAL SECURITY > SUBCHAPTER III-ACCOUNTABILITY FOR INTELLIGENCE ACTIVITIES**

