; and (B) not less than 10 percent shall be used for projects or activities carried out in a persistent poverty county that has had poverty rates of 20 percent or greater, as determined by the Bureau of the Census, for at least 30 consecutive years preceding the fiscal year. (2) Action plan (A) In general Of the total amount made available to carry out the MRRRI for each fiscal year beginning with the first fiscal year after which the action plan is first developed, not more than 5 percent may be used for projects and activities that are eligible under subsection (c)(5) but that do not address an objective identified in the action plan under subsection (d)(2)(B)(iii). (B) Priority In carrying out subparagraph (A), the MRRRI Director shall prioritize projects or activities that reduce the effects of natural disasters or respond to emerging threats from natural disasters. (g) Activities by other relevant Federal Agencies (1) In general The head of a relevant Federal agency that is engaged in, or has authority over, a program relating to research, monitoring, and planning to maintain, enhance, preserve, or rehabilitate the environmental quality and natural resources of the Mississippi River shall— (A) submit to the Administrator an annual report describing the activities of the agency relating to the MRRRI; (B) strive to identify new projects and activities to support the goals of the MRRRI; (C) ensure that any funding provided through the MRRRI supplements, and not supplants, funding obtained through other agency budgets or other sources of funds for activities relating to the Mississippi River