47 U.S.C. § 1004 : US Code - Section 1004: Systems security and integrity

Search 47 U.S.C. § 1004 : US Code - Section 1004: Systems security and integrity

A telecommunications carrier shall ensure that any interception
of communications or access to call-identifying information
effected within its switching premises can be activated only in
accordance with a court order or other lawful authorization and
with the affirmative intervention of an individual officer or
employee of the carrier acting in accordance with regulations
prescribed by the Commission.