The Commission entering its order to show cause or entering its order to initiate a proceeding, or a party other than the Commission instituting a proceeding, shall be known as the Petitioner.
Any party against whom a proceeding is instituted shall be known as Respondent.
Any party not designated as a petitioner or respondent shall be known as an Intervener.
267 Neb. Admin. Code, ch. 6, § 003