50 U.S. Code Chapter 36 - FOREIGN INTELLIGENCE SURVEILLANCE
- SUBCHAPTER I - ELECTRONIC SURVEILLANCE (§§ 1801 to 1813)
- SUBCHAPTER II - PHYSICAL SEARCHES (§§ 1821 to 1829)
- SUBCHAPTER III - PEN REGISTERS AND TRAP AND TRACE DEVICES FOR FOREIGN INTELLIGENCE PURPOSES (§§ 1841 to 1846)
- SUBCHAPTER IV - ACCESS TO CERTAIN BUSINESS RECORDS FOR FOREIGN INTELLIGENCE PURPOSES (§§ 1861 to 1864)
- SUBCHAPTER V - OVERSIGHT (§§ 1871 to 1874)
- SUBCHAPTER VI - ADDITIONAL PROCEDURES REGARDING CERTAIN PERSONS OUTSIDE THE UNITED STATES (§§ 1881 to 1881g)
- SUBCHAPTER VII - PROTECTION OF PERSONS ASSISTING THE GOVERNMENT (§§ 1885 to 1885c)
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