 The Supreme Court has broad powers of judicial review; it rules on the constitutionality of any legislative or executive action at the request of any aggrieved citizen.The hierarchy of courts derives largely from British juridical forms.The hierarchy, called the Superior Court of Judicature, is composed of the Supreme Court of Ghana, the Court of Appeal (Appellate Court), the High Court of Justice, regional tribunals, and such lower courts or tribunals as parliament may establish.