47 CFR § 1.20000 - Purpose.

---
identifier: "/us/cfr/t47/s1.20000"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "47 CFR § 1.20000 - Purpose."
title_number: 47
title_name: "Telecommunication"
section_number: "1.20000"
section_name: "Purpose."
chapter_name: "FEDERAL COMMUNICATIONS COMMISSION"
subchapter_number: "A"
subchapter_name: "GENERAL"
part_number: "1"
part_name: "PRACTICE AND PROCEDURE"
positive_law: false
currency: "2026-03-24"
last_updated: "2026-03-24"
format_version: "1.1.0"
generator: "[email protected]"
authority: "47 U.S.C. chs. 2, 5, 9, 13; 28 U.S.C. 2461 note; 47 U.S.C. 1754, unless otherwise noted."
cfr_part: "1"
---


# 1.20000 Purpose.

Pursuant to the Communications Assistance for Law Enforcement Act (CALEA), Public Law 103-414, 108 Stat. 4279 (1994) (codified as amended in sections of 18 U.S.C. and 47 U.S.C.), this subpart contains rules that require a telecommunications carrier to:

(a) Ensure that any interception of communications or access to call-identifying information effected within its switching premises can be activated only in accordance with appropriate legal authorization, appropriate carrier authorization, and with the affirmative intervention of an individual officer or employee of the carrier acting in accordance with regulations prescribed by the Commission; and

(b) Implement the assistance capability requirements of CALEA section 103, 47 U.S.C. 1002, to ensure law enforcement access to authorized wire and electronic communications or call-identifying information.