Under the 1814
Constitution of Norway, the third-oldest national Constitution still in operation (after the
constitution of San Marino and
US Constitution), the
King is the head of the
executive branch of
Norway. However, historical developments such as the introduction of
parliamentarism in 1884 and evolving constitutional tradition have altered the King's role, meaning that the
Prime Minister, holding the leadership of a political party enjoying electoral support, is the
de facto head of government. Accordingly, when Article 3 of the Constitution reads, "The Executive Power is vested in the King", this nowadays reflects the powers conferred on the elected government, operating through the Council of State and headed by the Prime Minister. The
parliamentary system of Norway entails that the Cabinet must not have Parliament against it, and that the appointment by the King is a formality. The members making up the Council of State require the confidence of the Norwegian legislative body, known as the
Storting. In practice, the monarch will ask the leader of a parliamentary block that has a majority in the Storting to form a government. After elections resulting in no clear majority to any party or coalition, the leader of the party most likely to be able to form a government is appointed Prime Minister. The fact that the original wording of the Constitution has not been modified to reflect contemporary practice, is a testimony to the widespread conservative sentiments shared across the political aisle that extensive constitutional revision should be avoided. In practice, this means that the function, authority and mandate of the Council of State is heavily influenced by long-standing conventions. The Council of State is established by the following article of the Constitution, stating that == Functions and mandate ==