Sint Maarten, a constituent country of the Kingdom of the Netherlands, has a government formed by the monarch, represented by the governor, and the ministers. The Prime Minister of Sint Maarten presides over the council of ministers. Executive power is exercised by the government. Legislative power is vested in both the government and parliament. The minister plenipotentiary is not part of the government and represents the Sint Maarten government in the Netherlands. The judiciary is independent of the executive and the legislature. The country is a parliamentary representative democratic country with a multi-party system. Sint Maarten has full autonomy on most matters, with the exceptions summed up in the Charter for the Kingdom of the Netherlands under the title "Kingdom affairs". The Constitution of Sint Maarten was ratified in September 2010, and entered into force on 10 October 2010.