Code of Federal Regulations Title 47. Telecommunication § 47.1.20000 Purpose

(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.