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18 U.S.C. § 3121

General prohibition on pen register and trap and trace device use; exception

United States · Title 18 — CRIMES AND CRIMINAL PROCEDURE · Status: effective

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18 U.S.C. § 3121, General prohibition on pen register and trap and trace device use; exception, United States, version 1 as recorded 2026-07-09, yourstate.us, https://yourstate.us/provision/449758
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Full text

The prohibition of subsection (a) does not apply with respect to the use of a pen register or a trap and trace device by a provider of electronic or wire communication service—

Legislative history

The public laws that enacted or amended this section. Tallies are for the whole bill as it passed each chamber — often an omnibus covering far more than this provision — not a vote on this section alone.

  • Enacted byPub. L. 99-508(H.R. 4952)1986-10-21
    Electronic Communications Privacy Act of 1986
    House: no recorded tallySenate: no recorded tally
  • Amended byPub. L. 103-414(H.R. 4922)1994-10-25
    Communications Assistance for Law Enforcement Act
    House: no recorded tallySenate: no recorded tally
  • Amended byPub. L. 107-56(H.R. 3162)2001-10-26
    Uniting and Strengthening America by Providing Appropriate Tools Required to Intercept and Obstruct Terrorism (USA PATRIOT ACT) Act of 2001
    House: 357–66Senate: 98–1
  • Amended byPub. L. 115-141(H.R. 1625)2018-03-23
    Consolidated Appropriations Act, 2018
    House: 256–167Senate: no recorded tally