Pub. L. 109–424 and title VIII of Pub. L. 109–479 enacted substantially identical sections. Pub. L. 109–424 was repealed by section 512(a) of Pub. L. 115–25.

2017—Par. (1). Pub. L. 115–25, § 503(1), inserted “research,” after “warnings,”.

Par. (2). Pub. L. 115–25, § 503(2), amended par. (2) generally. Prior to amendment, par. (2) read as follows: “to enhance and modernize the existing Pacific Tsunami Warning System to increase coverage, reduce false alarms, and increase the accuracy of forecasts and warnings, and to expand detection and warning systems to include other vulnerable States and United States territories, including the Atlantic Ocean, Caribbean Sea, and Gulf of Mexico areas;”.

Par. (3). Pub. L. 115–25, § 503(3), amended par. (3) generally. Prior to amendment, par. (3) read as follows: “to improve mapping, modeling, research, and assessment efforts to improve tsunami detection, forecasting, warnings, notification, outreach, mitigation, response, and recovery;”.

Par. (4). Pub. L. 115–25, § 503(5), added par. (4). Former par. (4) redesignated (5).

Par. (5). Pub. L. 115–25, § 503(4), (6), redesignated par. (4) as (5), substituted “, increase, and develop uniform standards and guidelines for” for “and increase”, and inserted “, including the warning signs of locally generated tsunami” after “approaching”. Former par. (5) redesignated (6).

Par. (6). Pub. L. 115–25, § 503(4), (7), redesignated par. (5) as (6) and substituted semicolon at end for “, including the Indian Ocean; and”. Former par. (6) redesignated (8).

Par. (7). Pub. L. 115–25, § 503(8), added par. (7).

Par. (8). Pub. L. 115–25, § 503(4), redesignated par. (6) as (8).