The power of courts to review the constitutionality of laws in the various regimes. This includes the prior control of constitutional review such as the control effectuated by a ‘Constitutional Council ’ or the control effectuated after the entry into force of the law, whether by ordinary judges or by specialized Constitutional Courts. Focus on the manner constitutional review takes place in Palestine: the status of the Supreme Constitutional Court and its role in the Palestinian political and legal systems, the various methods of review and the procedures followed to review the constitutionality of laws and regulations, in comparison with other legal systems.