; 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 An appeal under this subsection shall be determined by a final adjudication on the record, and after opportunity for an administrative hearing. (B) Rights upon adverse decision If an appeal pursuant to subparagraph (A) does not result in a decision in favor of the State, local government, owner, or lessee, such party may appeal the adverse decision to the Scientific Resolution Panel provided for in section 1363A, which shall recommend a non-binding decision to the Administrator. (4) Relief (A) Wholly successful appeals In the case of a successful appeal resulting in a policyholder’s property being removed from a special flood hazard area, such policyholder may cancel the policy at any time within the current policy year, and the Administrator shall provide such policyholder a refund in the amount of any premiums paid for such policy year, plus any premiums paid for flood insurance coverage that the policyholder was required to purchase or maintain during the 2-year period preceding such policy year. (B) Partially successful appeals In the case of any appeal in which mitigating factors were determined to have reduced, but not eliminated, the risk of flooding, the Administrator shall reduce the amount of flood insurance coverage required to be maintained for the property concerned by the ratio of the successful portion of the appeal as compared to the entire appeal. The Administrator shall refund to the policyholder any payments made in excess of the amount necessary for such new coverage amount, effective from the time when the mitigating factor was created or the beginning of the second policy year preceding the determination of the appeal, whichever occurred later. (C) Additional relief The Administrator may provide additional refunds in excess of the