73 (2) The fact that a person who was not entitled to do so sat and voted in the Senate or the National Assembly or otherwise took part in the proceedings of the Senate or the National Assembly does not invalidate the proceedings. PART 7 DURATION, DISSOLUTION AND SITTINGS OF PARLIAMENT 6.28 Duration and dissolution of Parliament (1) Parliament is elected for a five-year term which runs from the date on which the President-elect is sworn in and assumes office in terms of section 5.7(1)(a), and Parliament stands dissolved at midnight on the day before the first polling day in the next general election called in terms of section 6.29. (2) The President must by proclamation dissolve Parliament if the Senate and the National Assembly, sitting separately, by the affirmative votes of at least two-thirds of the total membership of each House, have passed resolutions to dissolve. 6.29 General election resulting from dissolution of Parliament (1) Where Parliament has not earlier passed a resolution to dissolve in terms of section 6.28(2), the President must by proclamation call and set dates for a general election to be held within the period prescribed in section 7.4. (2) Where— (a) Parliament has passed resolutions to dissolve in terms of section 6.28(2); or (b) the President has dissolved Parliament following a vote of no confidence in terms of section 5.22(4); the President must by proclamation call and set dates for a general election to be held not more than ninety days after Parliament passed the resolutions or the President dissolved Parliament, as the case may be. (3) The dates for a general election called in terms of subsection (1) or (2) must be fixed by the President after consultation with the Zimbabwe Electoral Commission. 6.30 First sitting of Parliament following general election (1) The first sitting of Parliament after a general election must take place at a time and date determined by the President, but the date must not be later than thirty days after the Presidentelect assumes office in terms of section 5.7. (2) Until the election of a President of the Senate or a Speaker, as the case may be, the first meeting of a House of Parliament must be presided over by the Clerk of Parliament. 6.31 Sittings and recess periods Each House of Parliament determines the time and duration of its sittings, other than its first sitting, and its periods of recess, but— (a) the President may summon Parliament at any time to conduct special business;