Marcos Pérez Jiménez. A referendum on the presidential term and national and regional governors was held on 15 December 1957, resulting in the referendum's approval. Voters were asked whether they approved of President Marcos Pérez Jiménez remaining in power without fresh elections, and appointing government nominees as members of the national parliament, regional assemblies and local councils. The referendum was held under non-democratic conditions. Jiménez was overthrown the following year. In the 7 December 1958 general elections, voter turnout was recorded at 94.4% in the presidential election and 92.1% in the Congressional elections. Democratic Action again swept the elections, winning the presidency and two majorities. 1990–1999: Later constitutions The 1998 presidential election was the first to be carried out with a new National Electoral Council. Traditionally poll workers had been provided by the parties, but in this election "a lottery was set up to draft 300,000 registered voters as poll workers". The elections also saw "the world's first automated voting system, which featured a single integrated electronic network that was supposed to transmit the results from the polling stations to central headquarters within minutes." The automated vote system enabled the Electoral Council to announce the results within 2.5 hours of the polls closing. After corroborating the results with the Carter Center, the losing candidate conceded several hours later. In the 1998 presidential elections, one of candidate Hugo Chávez's electoral promises was to organize a referendum asking the people if they wanted to convene a National Constituent Assembly. His first decree as president was thus to order such a referendum, which took place on 19 April. The electorate were asked two questionswhether a constituent assembly should be convened, and whether it should follow the mechanisms proposed by the president. The "yes" vote in response to these two question totalled 92% and 86%, respectively. The 1998 parliamentary elections were on 8 November 1998. There were 207 seats in the Chamber of Deputies and 54 seats in the Senate. Under the new Bolivarian 1999 Constitution, the legislative branch of Government in Venezuela is represented by a unicameral National Assembly. The Assembly is made up of 165 deputies (diputados), who are elected by "universal, direct, personal, and secret" vote on a national party-list proportional representation system. In addition, three deputies are returned on a state-by-state basis, and three seats were reserved for representatives of Venezuela's indigenous peoples. All deputies serve five-year terms. In 1999