; (ii) the MRRRI Director; (iii) the Committees on Appropriations, Natural Resources, and Transportation and Infrastructure of the House of Representatives; and (iv) the Committees on Appropriations, Energy and Natural Resources, and Environment and Public Works of the Senate. (2) Science plan development (A) In general Not later than 2 years after the date on which the Mississippi River science forum required by paragraph (1)(A) concludes, the Director shall develop a science plan that establishes priorities, metrics, and research proposals for the MRRRI. (B) Submission On completion of the science plan developed under subparagraph (A), the Director shall make the plan available on a public website and submit the plan to the MRRRI Director to inform the implementation of the actionable goals and action plans developed for the MRRRI under section 127(d) of the Federal Water Pollution Control Act. (C) Updates Not less frequently than once every 5 years, the Director shall coordinate with the MRRRI Director and the research centers established under subsection (b)(1) to review and update the science plan developed under subparagraph (A). (D) Coordination In developing and updating the science plan under this paragraph, the Director shall solicit input and comment from the public through a formal public notice and comment period.