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SUBCHAPTER I—ELECTRONIC SURVEILLANCE Sec. 1801. Definitions. 1802. Electronic surveillance authorization without court order; certification by Attorney General; reports to Congressional committees; transmittal under seal; duties and compensation of communication common carrier; applications; jurisdiction of court. 1803. Designation of judges. 1804. Applications for court orders. 1805. Issuance or order. 1805a to 1805c. Repealed. 1806. Use of information. 1807. Report to Administrative Office of the United States Court and to Congress. 1808. Report of Attorney General to Congressional committees; limitation on authority or responsibility of information gathering activities of Congressional committees; report of Congressional committees to Congress. 1809. Criminal sanctions. 1810. Civil liability. 1811. Authorization during time of war. 1812. Statement of exclusive means by which electronic surveillance and interception of certain communications may be conducted. SUBCHAPTER II—PHYSICAL SEARCHES 1821. Definitions. 1822. Authorization of physical searches for foreign intelligence purposes. 1823. Application for order. 1824. Issuance of order. 1825. Use of information. 1826. Congressional oversight. 1827. Penalties. 1828. Civil liability. 1829. Authorization during time of war. SUBCHAPTER III—PEN REGISTERS AND TRAP AND TRACE DEVICES FOR FOREIGN INTELLIGENCE PURPOSES 1841. Definitions. 1842. Pen registers and trap and trace devices for foreign intelligence and international terrorism investigations. 1843. Authorization during emergencies. 1844. Authorization during time of war. 1845. Use of information. 1846. Congressional oversight. SUBCHAPTER IV—ACCESS TO CERTAIN BUSINESS RECORDS FOR FOREIGN INTELLIGENCE PURPOSES 1861. Access to certain business records for foreign intelligence and international terrorism investigations. 1862. Congressional oversight. 1863. Repealed. SUBCHAPTER V—REPORTING REQUIREMENT 1871. Semiannual report of the Attorney General. SUBCHAPTER VI—ADDITIONAL PROCEDURES REGARDING CERTAIN PERSONS OUTSIDE THE UNITED STATES 1881. Definitions. 1881a. Procedures for targeting certain persons outside the United States other than United States persons. 1881b. Certain acquisitions inside the United States targeting United States persons outside the United States. 1881c. Other acquisitions targeting United States persons outside the United States. 1881d. Joint applications and concurrent authorizations. 1881e. Use of information acquired under this subchapter. 1881f. Congressional oversight. 1881g. Savings provision. SUBCHAPTER VII—PROTECTION OF PERSONS ASSISTING THE GOVERNMENT 1885. Definitions. 1885a. Procedures for implementing statutory defenses. 1885b. Preemption. 1885c. Reporting.

The table below lists the classification updates, since Jan. 3, 2012, for the contained sections. If there are multiple sections, they are presented in section number order (original document order).

The most recent Classification Table update that we have noticed was Tuesday, August 13, 2013

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50 USCDescription of ChangeSession YearPublic LawStatutes at Large
§ 1801nt2012112-238 [Sec.] 2(b)126 Stat. 1631
§ 1801nt new2012112-238 [Sec.] 1126 Stat. 1631
§ 18812012112-238 [Sec.] 2(a)(1)126 Stat. 1631
§ 1881nt2012112-238 [Sec.] 2(a)(1)126 Stat. 1631
§ 1881a2012112-238 [Sec.] 2(a)(1)126 Stat. 1631
§ 1881b2012112-238 [Sec.] 2(a)(1)126 Stat. 1631
§ 1881c2012112-238 [Sec.] 2(a)(1)126 Stat. 1631
§ 1881d2012112-238 [Sec.] 2(a)(1)126 Stat. 1631
§ 1881e2012112-238 [Sec.] 2(a)(1)126 Stat. 1631
§ 1881f2012112-238 [Sec.] 2(a)(1)126 Stat. 1631
§ 1881g2012112-238 [Sec.] 2(a)(1)126 Stat. 1631


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