<Li> For Vietnam, see Supreme People's Court of Vietnam . </Li> <P> Law of Indonesia at the national level is based on a combination of civil law from the tradition of Roman - Dutch law and customary law from the tradition of Adat . Law in regional jurisdictions can vary from province to province, including even Sharia law, for example Islamic criminal law in Aceh, though even at the national level, individual justices can cite sharia or other forms of non-Dutch law in their legal opinions . </P> <P> The Supreme Court of Indonesia is the main judicial arm of the state, functioning as the final court of appeal as well as a means to re-open cases previously closed . The Supreme Court, which consists of a total of 51 justices, also oversees the regional high courts . It was founded at the country's independence in 1945 . </P> <P> The Constitutional Court of Indonesia, on the other hand, is a part of the judicial branch tasked with review of bills and government actions for constitutionality, as well as regulation of the interactions between various arms of the state . The constitutional amendment to establish the court was passed in 2001, and the court itself was established in 2003 . The Constitutional Court consists of nine justices serving nine year terms, and they're appointed in tandem by the Supreme Court, the President of Indonesia and the People's Representative Council . </P>

When does the supreme court act as a trial court