To determine (a) the validity of any law / made by Parliament or the Legislature of any states; (b) disputes on any other issue between the States or between the / Federation and any State

To hear appeals from the Court of Appeal and the High Court

To determine any question arise before another Court as to the effect of any provision under the Federal Constitution

The Yang di Pertuan Agong may refer to / the Federal Court for its opinion or advice as to the effect of any provision of Constitution which has arisen or appears to him likely to arise, and the Federal Court shall pronounce its opinion in open court of any question so referred to it.