(a) Pen Registers.–Upon the request of an attorney for the Government or an officer of a law enforcement agency authorized to install and use a pen register under this chapter, a provider of wire or electronic communication service, landlord, custodian, or other person shall furnish such investigative or law enforcement officer forthwith all information, facilities, and technical assistance necessary to accomplish the installation of the pen register unobtrusively and with a minimum of interference with the services that the person so ordered by the court accords the party with respect to whom the installation and use is to take place, if such assistance is directed by a court order as provided in section 3123(b)(2) of this title.

Terms Used In 18 USC 3124

  • agency: includes any department, independent establishment, commission, administration, authority, board or bureau of the United States or any corporation in which the United States has a proprietary interest, unless the context shows that such term was intended to be used in a more limited sense. See 18 USC 6
  • attorney for the Government: has the meaning given such term for the purposes of the Federal Rules of Criminal Procedure. See 18 USC 3127
  • foreign government: as used in this title except in sections 112, 878, 970, 1116, and 1201, includes any government, faction, or body of insurgents within a country with which the United States is at peace, irrespective of recognition by the United States. See
  • officer: includes any person authorized by law to perform the duties of the office. See 1 USC 1
  • pen register: means a device or process which records or decodes dialing, routing, addressing, or signaling information transmitted by an instrument or facility from which a wire or electronic communication is transmitted, provided, however, that such information shall not include the contents of any communication, but such term does not include any device or process used by a provider or customer of a wire or electronic communication service for billing, or recording as an incident to billing, for communications services provided by such provider or any device or process used by a provider or customer of a wire communication service for cost accounting or other like purposes in the ordinary course of its business. See 18 USC 3127
  • trap and trace device: means a device or process which captures the incoming electronic or other impulses which identify the originating number or other dialing, routing, addressing, and signaling information reasonably likely to identify the source of a wire or electronic communication, provided, however, that such information shall not include the contents of any communication. See 18 USC 3127

(b) Trap and Trace Device.–Upon the request of an attorney for the Government or an officer of a law enforcement agency authorized to receive the results of a trap and trace device under this chapter, a provider of a wire or electronic communication service, landlord, custodian, or other person shall install such device forthwith on the appropriate line or other facility and shall furnish such investigative or law enforcement officer all additional information, facilities and technical assistance including installation and operation of the device unobtrusively and with a minimum of interference with the services that the person so ordered by the court accords the party with respect to whom the installation and use is to take place, if such installation and assistance is directed by a court order as provided in section 3123(b)(2) of this title. Unless otherwise ordered by the court, the results of the trap and trace device shall be furnished, pursuant to section 3123(b) or section 3125 of this title, to the officer of a law enforcement agency, designated in the court order, at reasonable intervals during regular business hours for the duration of the order.

(c) Compensation.–A provider of a wire or electronic communication service, landlord, custodian, or other person who furnishes facilities or technical assistance pursuant to this section shall be reasonably compensated for such reasonable expenses incurred in providing such facilities and assistance.

(d) No Cause of Action Against a Provider Disclosing Information Under This Chapter.–No cause of action shall lie in any court against any provider of a wire or electronic communication service, its officers, employees, agents, or other specified persons for providing information, facilities, or assistance in accordance with a court order under this chapter, request pursuant to section 3125 of this title, or an order from a foreign government that is subject to an executive agreement that the Attorney General has determined and certified to Congress satisfies section 2523.

(e) Defense.–A good faith reliance on a court order under this chapter, a request pursuant to section 3125 of this title, a legislative authorization, a statutory authorization, or a good faith determination that the conduct complained of was permitted by an order from a foreign government that is subject to executive agreement that the Attorney General has determined and certified to Congress satisfies section 2523, is a complete defense against any civil or criminal action brought under this chapter or any other law.

(f) Communications Assistance Enforcement Orders.–Pursuant to section 2522, an order may be issued to enforce the assistance capability and capacity requirements under the Communications Assistance for Law Enforcement Act.