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 L. 109–424 was repealed by section 512(a) of Pub.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—Subsec. (a). Pub. L. 115–25, § 507(1), amended subsec. (a) generally. Prior to amendment, text read as follows: “The Administrator, through the National Weather Service and in consultation with other relevant Administration offices, in coordination with other members of the United States Interagency Committee of the National Tsunami Hazard Mitigation Program, shall provide technical assistance and training to the Intergovernmental Oceanographic Commission, the World Meteorological Organization, and other international entities, as part of international efforts to develop a fully functional global tsunami forecast and warning system comprising regional tsunami warning networks, modeled on the International Tsunami Warning System of the Pacific.”

Subsec. (b). Pub. L. 115–25, § 507(2), in introductory provisions, substituted “may operate” for “shall operate” and “the Center may” for “the Center shall”.

Subsec. (c)(1). Pub. L. 115–25, § 507(3)(A), substituted “supporting” for “establishing”.

Subsec. (c)(2). Pub. L. 115–25, § 507(3)(B), substituted “support” for “establish” and “supporting” for “establishing”.