1. Lower Missouri River flood prevention program (a) Definitions In this section: (1) Affected community The term affected community means a legally constituted public body (as that term is used in section 221(b) of the Flood Control Act of 1970 (42 U.S.C. 1962d–5b(b)) the jurisdiction of which has been subject to flooding from the lower Missouri River or a tributary of the lower Missouri River in not less than 2 events during any 10-year period beginning on or after January 1, 2000, notwithstanding the provision of emergency flood fighting assistance under section 5 of the Act of August 18, 1941 (commonly known as the Flood Control Act of 1941 ) (55 Stat. 650, chapter 377; 33 U.S.C. 701n ), from the Corps of Engineers during those flooding events. (2) Lower Missouri River The term lower Missouri River means— (A) the lower 735 miles of the Missouri River from Sioux City, Iowa, to the mouth of the Missouri River; and (B) the tributaries of the portion of the Missouri River described in subparagraph (A). (3) Missouri River project The term Missouri River project means— (A) a project constructed as part of— (i) the Pick-Sloan Missouri River Basin Program authorized by section 9(b) of the Act of December 22, 1944 (commonly known as the Flood Control Act of 1944 ) (58 Stat. 891, chapter 665); or (ii) the Missouri River Bank Stabilization and Navigation Project authorized by section 2 of the Act of March 2, 1945 (commonly known as the River and Harbor Act of 1945 ) (59 Stat. 19, chapter 19)