3919Arbitration—necessary parties

3919 Arbitration—necessary parties (1) A person whose participation is necessary for the court to completely and finally decide all matters in issue in an arbitration must be included as a party in the arbitration. If both a principal and a contractor, or more than 1 employer, may be liable in relation to the compensable injury, each of them must be included as a respondent. (2) The court may require a person to be included as a party. If, for an application on behalf of dependants of a deceased worker, a dependant fails to join in the application, the dependant may be included as a respondent. (3) Each party other than the applicant is a respondent. (4) The court may decide a claim even if a person is incorrectly included or not included as a party.