U.S. Code / Title 50 — War and National… / Chapter 36—Foreign Intelligence SurveillanceTitle 50SubchapterSubchapter Ii—Physical SearchesContents§ 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