; or (II) by the Scientific Resolution Panel provided for in section 1363A. (ii) Process Notwithstanding any provision of section 1363A(c)(4) regarding the binding nature of the recommendations of the Scientific Resolution Panel, the Administrator shall establish a process for the purposes of clause (i) under which an arbitrator or the Scientific Resolution Panel, as applicable, provides a non-binding recommendation to the Administrator. (4) Relief (A) Wholly successful appeals If the Administrator determines in an appeal under this subsection that the property of a policyholder that had been included in a special flood hazard area under the flood insurance rate map is actually not in a special flood hazard area— (i) the policyholder may cancel the policy at any time during the year in which the Administrator makes the determination; and (ii) the Administrator shall provide the policyholder a refund equal to the amount of— (I) any premiums that the policyholder paid during the year described in clause (i); and (II) any premiums that the policyholder paid for flood insurance coverage that the policyholder was required to purchase or maintain during the 2-year period preceding the year described in clause (i). (B) Partially successful appeals If the Administrator determines in an appeal under this subsection that mitigating factors have reduced, but not eliminated, the risk of flooding to a property, the Administrator shall— (i) reduce the amount of flood insurance coverage required to be maintained for the property by the ratio of the successful portion of the appeal as compared to the entire appeal; and (ii) provide the policyholder a refund equal to the difference between— (I) the amount of any premiums that the policyholder paid during the period— (aa) beginning on the later of— (AA) the date on which the mitigating factor was created; or (BB) January 1 of the second year preceding the date on which the determination is made