### Question
What does call detail record mean?


### Answer
**Call detail record** has the following meaning in *50 U.S.C. § 1864*:

> given that term in section 1861(k) of this title.

#### Citation:
  - *50 U.S.C. § 1864*
  - Heading: **CHAPTER 36-FOREIGN INTELLIGENCE SURVEILLANCE > SUBCHAPTER IV-ACCESS TO CERTAIN BUSINESS RECORDS FOR FOREIGN INTELLIGENCE PURPOSES**

