①A plaintiff, until the conclusion of the oral argument of an action for the revocation of an administrative disposition, may file an additional action pertaining to a related claim, by joining these actions. In this case, if the action for the revocation of that administrative disposition is pending before a high court, the provisions of Article 16, paragraph (2) apply mutatis mutandis.

②The provisions of the preceding paragraph do not preclude actions for the revocation of administrative dispositions from being governed by the provisions of Article 143 of the Code of Civil Procedure.