shall submit the dispute to the arbitration process established under the authority granted under section 601 of Public Law 111–5; and

may submit a request for arbitration after the completion of the first appeal under subsection (a) at any time before the Administrator of the Federal Emergency Management Agency has issued a final agency determination or 180 days after the Administrator’s receipt of the appeal if the Administrator has not provided the applicant with a final determination on the appeal. The applicant’s request shall contain documentation from the administrative record for the first appeal and may contain additional documentation supporting the applicant’s position.