Judicial review is the cornerstone of our public law. Through judicial review, the Supreme Court makes an important contribution to public administration. Every person affected by the decision of any court or other public authority whose rights, obligations or interests are protected or recognized by law has the right to apply for judicial review of that decision, in accordance with the law. In the Turkish Republic of Northern Cyprus, the principle of Orders envisaged on the constitutional basis has been implemented in Cyprus since the British period. In this study, an evaluation has been made on the mandamus ordinance envisaged within the scope of the 3rd paragraph of article 151 of the 1985 Constitution and stated the principle which is used by the narrow framework since its application.