(4) The organization, structure and powers of the Bureau, and terms and conditions of service of its personnel shall be regulated by law. Population Census 192. The National Government shall during the Transitional Period conduct a population census the outcome of which shall, inter alia, determine the number of electoral constituencies for the next general elections. CHAPTER II REFERENDA 193. (1) Pursuant to Schedule A(30) herein, the President, or the National Legislature, through a resolution passed by more than half of all its members, may refer for a referendum any matter of public interest. (2) Any matter submitted for a referendum shall be deemed to have been approved by the people of South Sudan if it has obtained more than half of the number of votes cast. (3) Any matter which has been approved by the people of South Sudan in a referendum shall have authority above any legislation. It shall not be annulled save by another referendum. CHAPTER III ELECTIONS Running for Elections 194. Whoever runs in any election shall respect and abide by this Constitution and the law. The National Elections Commission 195. (1) There shall be established an independent commission which shall be known the National Elections Commission. (2) The Chairperson, Deputy Chairperson, and members of the Commission shall be persons of proven integrity, competence, non-partisan and impartial, and shall be appointed by the President in accordance with the provisions of this Constitution and the law. (3) The Commission shall perform the following functions: (a) (b) (c) prepare the general electoral roll and pursue its annual revision; organize and conduct general elections, by-elections, and local elections in accordance with this Constitution and the law; organize and conduct any referendum in accordance with this Constitution 74