Constitution of Zimbabwe (as amended by Constitution Amendment No. 19) [Subsection as amended by section 16 of Act 31 of 1989 – Amendment No. 9] (5) An Act of Parliament shall come into operation on the day of its publication in the Gazette or on such other day as may be specified in or under that or some other Act. (6) An Act of Parliament shall be deemed to come into operation immediately on the expiration of the day preceding the day on which, by virtue of the provisions of subsection (5), it comes into operation. (7) The provisions of Schedule 4 shall apply in respect of the procedure with regard to Bills and the other matters specified therein. 52 Alteration of the Constitution (1) Parliament may amend, add to or repeal any of the provisions of this Constitution: Provided that, except as provided in subsection (6), no law shall be deemed to amend, add to or repeal any provision of this Constitution unless it does so in express terms. [Proviso as amended by section 7 of Act 30 of 1990 – Amendment No. 11] (2) A Constitutional Bill shall not be introduced into the Senate or the House of Assembly unless the text of the Bill has been published in the Gazette not less than thirty days before it is so introduced. [Subsection as amended by section 26 of Act 31 of 1989 – Amendment No. 9 – and by section 15 of Act 5 of 2005 – Amendment No. 17] (2a) … [Subsection inserted by section 17 of Act 31 of 1989 – Amendment No. 9 – and amended by section 6 of Act 15 of 1990 – Amendment No. 10 – and repealed by section 15 of Act 5 of 2005 – Amendment No. 17] (3) A Constitutional Bill shall not be deemed to have been duly passed by Parliament unless, at the final vote thereon in the Senate and the House of Assembly, it received the affirmative votes of not less than two-thirds of the total membership of each House. [Subsection repealed by section 6 of Act 15 of 1990 – Amendment No. 10 – and reinserted by section 15 of Act 5 of 2005 – Amendment No. 17] (4) If in the case of a Constitutional Bill which has been passed by the House of Assembly in accordance with subsection (3) but has not been passed by the Senate in accordance with that subsection within a period of one hundred and eighty days beginning on the day on which the Bill was first introduced into the Senate, the House of Assembly resolves after the expiration of that period by the affirmative votes of not less than two-thirds of its members that the Bill be presented to the President for assent in the form in which it was passed by the House of Assembly, except for minor changes required by the passage of time, and with such amendments, if any, as the Senate and the House of Assembly may have agreed, the Bill shall be deemed to have been duly passed in the form in which it is presented to the President. [Subsection repealed by section 6 of Act 15 of 1990 – Amendment No. 10 – and reinserted by section 15 of Act 5 of 2005 – Amendment No. 17] - 62 -