(1) Subject to any order of the Court, a person whose participation is necessary for the Court to completely and finally determine all matters in dispute in a proceeding must be included as a party to the proceeding.
(2) The Court may require a person to be included as a party.
(3) A person required to be included as an applicant who does not consent to be included may be included as a respondent.
(4) The Court may decide a proceeding even if a person is incorrectly included or not included as a party.