<P> The Italian court of last resort for most disputes is the Corte Suprema di Cassazione . There is also a separate constitutional court, the Corte costituzionale, which has a duty of judicial review, and which can strike down legislation as being in conflict with the Constitution . </P> <P> In Japan, the Supreme Court of Japan is called 最高 裁判所 (Saikō - Saibansho; called 最高 裁 Saikō - Sai for short), located in Chiyoda, Tokyo, and is the highest court in Japan . It has ultimate judicial authority within Japan to interpret the Constitution and decide questions of national law (including local by laws). It has the power of judicial review (i.e., it can declare Acts of Diet and Local Assembly, and administrative actions, unconstitutional). </P> <P> In Luxembourg, challenges on the conformity of the law to the Constitution are brought before the Cour Constitutionnelle (Constitutional Court).--The most used and common procedure to present these challenges is by way of the "question préjudicielle" (prejudicial question). The Court of last resort for civil and criminal proceedings is the "Cour de Cassation". For administrative proceedings the highest court is the "Cour Administrative" (Administrative Court). </P> <P> The supreme court of Macau is the Court of Final Appeal (Portuguese: Tribunal de Última Instância; Chinese: 澳門 終審 法院). </P>

What are the function of the supreme court