The Croatian Parliament or the Sabor is the unicameral legislature of Croatia. Under the terms of the Croatian Constitution, the Sabor represents the people and is vested with legislative power. The Sabor is composed of 151 members elected to a four-year term on the basis of direct, universal and equal suffrage by secret ballot. Seats are allocated according to the Croatian Parliament electoral districts: 140 members of the parliament are elected in multi-seat constituencies. An additional three seats are reserved for the diaspora and Croats in Bosnia and Herzegovina, while national minorities have eight places reserved in parliament. The Sabor is presided over by a Speaker, who is assisted by at least one deputy speaker.