Constitutional Court Procedure Act Article 65

(Petitions Concerning Disputes between Constitutional Organs)When a highest state organ, in the exercise of its powers, has a dispute with other highest state organs in respect of their respective constitutional competences, it may lodge a petition with the Constitutional Court to settle such a dispute after the organs concerned fail to resolve through negotiations.Petitions under the preceding Paragraph must be lodged within the six-month peremptory period starting from the date of the disputing organs having failed to resolve the dispute through negotiations.The petitioning organ shall make a preliminary showing of the facts concerning the failure to resolve the dispute through negotiations.