; and (ii) this paragraph. (B) Requirements A demand for arbitration under subparagraph (A) shall— (i) be filed not later than the date that is 30 days after the date of the notification by the Secretary under paragraph (1); and (ii) include an alternative proposal to the applicable ecosystem restoration project that describes each modification sought by the objector with respect to the ecosystem restoration project. (e) Selection of arbitrator For each arbitration commenced under this section, the Secretary and each applicable objector shall agree on a mutually acceptable arbitrator from the list published under subsection (c)(1). (f) Responsibilities of arbitrator (1) In general An arbitrator selected under subsection (e)— (A) shall address each demand filed for arbitration with respect to an ecosystem restoration project under this section; but (B) may consolidate into a single arbitration all demands for arbitration by all objectors with respect to an ecosystem restoration project. (2) Selection of proposals An arbitrator shall make a decision regarding each applicable demand for arbitration under this section by selecting— (A) the ecosystem restoration project, as approved by the Secretary; or (B) an alternative proposal submitted by the applicable objector. (3) Limitations (A) Administrative record A decision of an arbitrator under this subsection shall be based solely on the administrative record for the ecosystem restoration project. (B) No modifications to proposals An arbitrator may not modify any proposal contained in a demand for arbitration of an objector under this section. (g) Deadline for completion of arbitration Not later than 90 days after the date on which a demand for arbitration is filed under subsection (d)(2), the arbitration process shall be completed. (h) Effect of arbitration decision A decision of an arbitrator under this section— (1) shall not be considered to be a major Federal action; (2) shall be binding