(4) The Deputy Speaker must be elected from among members of the National Assembly. (5) The Speaker or Deputy Speaker may be removed from office by a resolution supported by at least half of the total membership of the National Assembly. 64. Powers and functions of National Assembly (1) The National Assembly has the power to ensure that all executive organs of the state act in the national interest and are accountable to it. (2) In exercising its legislative power, the National Assembly has power to:(a) initiate or prepare legislation, provided that a money bill may be introduced only by a Minister; (b) consider or reject any proposed legislation Senate 65. Composition and election (1) The Senate consists of fifty-eight members as follows: (a) eight members must be elected from each of the five provinces into which Zimbabwe is divided, and the election must be in terms of a system of proportional representation to be prescribed in an Act of Parliament; (b) ten must be chiefs elected in accordance with the provisions of an Act of Parliament; (c) eight must be elected by the National Assembly at its first sitting and all the eight will be elected from the following interest groups in such a way that each interest group must have at least one representative: the women, the disabled, the youth, combatants of the armed struggle, trade unions, religious groups, business and farmers. (2) An Act of Parliament must prescribe the manner in which the interest groups in paragraph (c) of subsection (1) must present nominations to the National Assembly. (3) The persons elected by a province in terms of sub-section (1)(a) of this section must liaise and consult with the persons elected to the Provincial Assembly for that Province in terms of section 163 of this Constitution. 66. Qualifications for Senators The qualifications and disqualifications applicable to members of the National Assembly apply to membership of the Senate, except that the minimum age for membership of the senate is thirty years, with the exception of the youth representative. 67. President and Deputy President of Senate 37