For example, according to the ICC, no additional party may be joined to a dispute after the confirmation of appointment of any arbitrator, unless all parties agree otherwise. (globalarbitrationnews.com)
There are no regulations or certifications required for an individual to serve as an arbitrator — the only requirement is both parties agree on the selection of an arbitrator. (am-law.com)
The union sought judicial review of the arbitrator's decision. (employmentlaw101.ca)