As the supreme legislative organ, the State Great Khural is empowered to enact and amend laws, regarding domestic and foreign policy, to ratify international agreements, and declare a state of emergency by the constitution. The State Great Khural meets semi-annually. The parliamentary election holds place every four years, but the electoral system varied on each election. The current electoral system is based on plurality-on-large with 29 electoral districts. The Speaker of the State Great Khural is elected by the members of the parliament, and one deputy speaker is appointed by each political party or coalition with at least 10 seats in the parliament.