If a selected Proposed Appeal Arbitrator declines or is otherwise unable to serve, then the party that selected such Proposed Appeal Arbitrator may select one (1) of the other five (5) designated Proposed Appeal Arbitrators within three (3) calendar days of the date a chosen Proposed Appeal Arbitrator declines or notifies the parties he or she is unable to serve as an arbitrator. If at least three (3) of the five (5) designated Proposed Appeal Arbitrators decline or are otherwise unable to serve, then the Proposed Appeal Arbitrator selection process shall begin again in accordance with this Paragraph 5.2; provided, however, that any Proposed Appeal Arbitrators who have already agreed to serve shall remain on the Appeal Panel.

If a Proposed Arbitrator chosen to serve as arbitrator declines or is otherwise unable to serve as arbitrator, then the party that selected such Proposed Arbitrator may select one (1) of the other three (3) Proposed Arbitrators within three (3) calendar days of the date the chosen Proposed Arbitrator declines or notifies the parties he or she is unable to serve as arbitrator. If all three (3) Proposed Arbitrators decline or are otherwise unable to serve as arbitrator, then the arbitrator selection process shall begin again in accordance with this Paragraph 4.2.