U.S. Code / Title 6 — Domestic Security / Chapter 2—National Emergency Management / Subchapter Ii—Comprehensive Preparedness SystemTitle 6PartPart F—Global Catastrophic Risk ManagementContents§ 821. Definitions§ 822. Assessment of global catastrophic risk§ 823. Report required§ 824. Enhanced catastrophic incident annex§ 825. Rules of construction