64 (5) The Deputy President of the Senate may resign his or her office by announcing his or her resignation in person to the Senate or, if the Senate is not sitting, by giving written notice to the President of the Senate or, in the absence of the President of the Senate, to the Clerk of Parliament. (6) The Deputy President of the Senate must vacate his or her office— (a) upon ceasing to be a Senator; (b) upon becoming a member of the National Assembly or the Speaker; (c) upon becoming a Vice-President, Minister, Deputy Minister or Provincial Governor; (d) if a resolution for his or her removal from office is passed by at least two-thirds of the total membership of the Senate. PART 3 THE NATIONAL ASSEMBLY 6.9 Composition of National Assembly (1) The National Assembly consists of— (a) two hundred and ten members elected by secret ballot from the two hundred and ten constituencies into which Zimbabwe is divided; and (b) for the life of the first two Parliaments after the effective date, an additional sixty women members, six from each of the provinces into which Zimbabwe is divided, elected through a system of proportional representation based on the votes cast for candidates representing political parties in a general election for constituency members in the provinces. (2) Elections of members of the National Assembly must be conducted in accordance with the Electoral Law. (3) The qualifications for registration as a voter and for voting at elections of members of the National Assembly are set out in the Fourth Schedule. 6.10 Qualifications and disqualifications for election to National Assembly (1) A person is qualified for election as a member of the National Assembly if he or she— (a) is registered as a voter; and (b) is at least twenty-one years of age; unless he or she is disqualified under subsection (2) or (3). (2) A person is disqualified for election as a member of the National Assembly if— (a) he or she is disqualified under the Fourth Schedule for registration as a voter; or (b) within five years before the election, he or she vacated a seat in the Senate or the National Assembly in terms of section 6.14(1)(i) through having been convicted of an offence.