18 USC § 3126 - Reports concerning pen registers and trap and trace devices

---
identifier: "/us/usc/t18/s3126"
source: "usc"
legal_status: "official_legal_evidence"
title: "18 USC § 3126 - Reports concerning pen registers and trap and trace devices"
title_number: 18
title_name: "CRIMES AND CRIMINAL PROCEDURE"
section_number: "3126"
section_name: "Reports concerning pen registers and trap and trace devices"
chapter_number: 206
chapter_name: "PEN REGISTERS AND TRAP AND TRACE DEVICES"
part_number: "II"
part_name: "CRIMINAL PROCEDURE"
positive_law: true
currency: "119-84"
last_updated: "2026-04-21"
format_version: "1.1.0"
generator: "[email protected]"
source_credit: "(Added Pub. L. 99–508, title III, § 301(a), Oct. 21, 1986, 100 Stat. 1871, § 3125; renumbered § 3126, Pub. L. 100–690, title VII, § 7092(a)(1), Nov. 18, 1988, 102 Stat. 4410; amended Pub. L. 106–197, § 3, May 2, 2000, 114 Stat. 247.)"
---


# § 3126. Reports concerning pen registers and trap and trace devices

The Attorney General shall annually report to Congress on the number of pen register orders and orders for trap and trace devices applied for by law enforcement agencies of the Department of Justice, which report shall include information concerning—

**(1)** the period of interceptions authorized by the order, and the number and duration of any extensions of the order;

**(2)** the offense specified in the order or application, or extension of an order;

**(3)** the number of investigations involved;

**(4)** the number and nature of the facilities affected; and

**(5)** the identity, including district, of the applying investigative or law enforcement agency making the application and the person authorizing the order.

---

**Source Credit**: (Added Pub. L. 99–508, title III, § 301(a), Oct. 21, 1986, 100 Stat. 1871, § 3125; renumbered § 3126, Pub. L. 100–690, title VII, § 7092(a)(1), Nov. 18, 1988, 102 Stat. 4410; amended Pub. L. 106–197, § 3, May 2, 2000, 114 Stat. 247.)

## Editorial Notes

### Prior Provisions

A prior section 3126 was renumbered .

### Amendments

2000— substituted “, which report shall include information concerning—” and pars. (1) to (5) for period at end.

1988— renumbered  as this section.

## Statutory Notes and Related Subsidiaries

### Effective Date

Section effective 90 days after , and, in case of conduct pursuant to court order or extension, applicable only with respect to court orders and extensions made after such date, with special rule for State authorizations of interceptions, see , set out as a note under .

### Report on Use of DCS 1000 (Carnivore) To Implement Orders Under Section 3123

> **“(1)** the period of interceptions authorized by the order, and the number and duration of any extensions of the order;
> 
> **“(2)** the offense specified in the order or application, or extension of an order;
> 
> **“(3)** the number of investigations involved;
> 
> **“(4)** the number and nature of the facilities affected;
> 
> **“(5)** the identity of the applying investigative or law enforcement agency making the application for an order; and
> 
> **“(6)** the specific persons authorizing the use of the DCS 1000 program (or any subsequent version of such program) in the implementation of such order.”

, , , provided that: