(a) In general In the case of a flood risk management project that incidentally generates seismic safety benefits in regions of moderate or high seismic hazard, for the purpose of a benefit-cost analysis for the project, the Secretary shall not include in that analysis any additional design and construction costs resulting from addressing seismic concerns.
(b) Savings provision Except with respect to the benefit-cost analysis, the additional costs referred to in subsection (a) shall be—
(1) included in the total project cost; and
(2) subject to cost-share requirements otherwise applicable to the project.
Section was enacted as part of the Water Resources Development Act of 2020, and not as part of the Water Resources Development Act of 1986 which comprises this chapter.