Versions of See prior versions of a law on LawServer 2024 U.S. Code > Title 50 > Chapter 36 > Subchapter III – Pen Registers and Trap and Trace Devices for Foreign Intelligence Purposes 2023 U.S. Code > Title 50 > Chapter 36 > Subchapter III – Pen Registers and Trap and Trace Devices for Foreign Intelligence Purposes 2022 U.S. Code > Title 50 > Chapter 36 > Subchapter III – Pen Registers and Trap and Trace Devices for Foreign Intelligence Purposes 2021 U.S. Code > Title 50 > Chapter 36 > Subchapter III – Pen Registers and Trap and Trace Devices for Foreign Intelligence Purposes 2020 U.S. Code > Title 50 > Chapter 36 > Subchapter III – Pen Registers and Trap and Trace Devices for Foreign Intelligence Purposes 2018 U.S. Code > Title 50 > Chapter 36 > Subchapter III – Pen Registers and Trap and Trace Devices for Foreign Intelligence Purposes 2017 U.S. Code > Title 50 > Chapter 36 > Subchapter III – Pen Registers and Trap and Trace Devices for Foreign Intelligence Purposes 2015 U.S. Code > Title 50 > Chapter 36 > Subchapter III – Pen Registers and Trap and Trace Devices for Foreign Intelligence Purposes 2014 U.S. Code > Title 50 > Chapter 36 > Subchapter III – Pen Registers and Trap and Trace Devices for Foreign Intelligence Purposes