; (2) regional coastal waters, including Biscayne Bay, the Caloosahatchee Estuary, St. Lucie Estuary, Florida Bay, and Indian River Lagoon; and (3) the Florida Reef Tract. (b) Integrated assessment (1) Interim integrated assessment Not later than 540 days after the date of enactment of the Ocean-Based Climate Solutions Act of 2020 , the Task Force, in accordance with the authority under section 603, shall complete and submit to Congress and the President an interim integrated assessment. (2) Final integrated assessment Not later than 3 years after the date of the enactment of the Ocean-Based Climate Solutions Act of 2020 , the Task Force shall finalize, and submit to Congress and the President, the interim integrated assessment required under paragraph (1). (3) Contents of the integrated assessment The integrated assessment required under paragraphs (1) and (2) shall examine the causes, consequences, and potential approaches to reduction of harmful algal blooms and hypoxia in South Florida, and the status of, and gaps within, current harmful algal bloom and hypoxia research, monitoring, management, prevention, response, and control activities that directly affect the region by— (A) Federal agencies; (B) State agencies; (C) regional research consortia; (D) academia; (E) private industry; (F) nongovernmental organizations; and (G) Indian Tribes (as defined in section 4 of the Indian Self-Determination and Education Assistance Act ( 25 U.S.C. 5304 )). (c) Action plan (1) In general Not later than 3 years and 6 months after the date of the enactment of the Ocean-Based Climate Solutions Act of 2020 , the Task Force shall develop and submit to Congress an action plan, based on the integrated assessment under subsection (b), for reducing, mitigating, and controlling harmful algal blooms and hypoxia in South Florida. (2) Contents The action plan submitted under paragraph (1) shall— (A) address the monitoring needs identified in the integrated assessment under subsection (b)