The Czech Republic is a unitary parliamentary constitutional republic, in which the President is the head of state and the Prime Minister is the head of government. Executive power is exercised by the Government of the Czech Republic which reports to the Chamber of Deputies. The Legislature is exercised by the Parliament. Czech Parliament is bicameral, the upper house of the Parliament is the Senate, the lower house of the Parliament is the Chamber of Deputies. The Senate consists of 81 members who are elected for six years. The Chamber of Deputies consists of 200 members who are elected for four years. The Judiciary system is topped by the trio of Constitutional Court, Supreme Court and Supreme Administrative Court. The highest legal document is the Constitution of the Czech Republic, com