; and (E) in subsection (g), as so redesignated— (i) by striking this section $400,000,000 and inserting the following: this section— (1) $500,000,000 ; and (ii) by striking the period at the end and inserting the following: ; and (2) $500,000,000 for each of fiscal years 2024 through 2029. . (b) Appeals (1) In general (A) Right to appeal Section 1360 of the National Flood Insurance Act of 1968 ( 42 U.S.C. 4101 ) is amended by adding at the end the following: (k) Appeals of existing maps (1) Right to appeal Subject to paragraph (6), a State or local government, or the owner or lessee of real property, that makes a formal request to the Administrator to update a flood insurance rate map that the Administrator denies may at any time appeal the denial in accordance with this subsection. (2) Basis for appeal The basis for an appeal under this subsection shall be the possession of knowledge or information that— (A) the base flood elevation level or designation of any aspect of a flood insurance rate map is scientifically or technically inaccurate; or (B) factors exist that mitigate the risk of flooding, including ditches, banks, walls, vegetation, levees, lakes, dams, reservoirs, basin, retention ponds, and other natural or manmade topographical features. (3) Appeals process (A) Administrative adjudication The Administrator shall determine an appeal under this subsection by making a final adjudication on the record, after providing an opportunity for an administrative hearing. (B) Rights upon adverse decision (i) Optional arbitration If an appeal determined under subparagraph (A) does not result in a decision in favor of the State, local government, owner, or lessee, that party may request that an appeal of the adverse decision be heard— (I) through independent, non-binding arbitration