47. (1) Subject to this section, Parliament may alter this Constitution.

(2) A Bill for an Act of Parliament to alter this Constitution shall not be passed by the National Assembly unless it has been supported on the second and third readings by the votes of not less than sixty-five per cent of all the members of the Assembly (excluding the ex officio members).

(3) If, on the taking of a vote for the purposes of subsection (2), the Bill is supported by a majority of the members of the Assembly voting but not by the number of votes required by that subsection, and the Bill is not opposed by thirty-five per cent of all the members of the Assembly or more, then, subject to such limitations and conditions as may be prescribed by the standing orders of the Assembly, a further vote may be taken.

(4) When a Bill for an Act of Parliament to alter this Constitution has been introduced into the National Assembly, no alterations shall be made in it before it is presented to the President for his assent, except alterations which are certified by the Speaker to be necessary because of the time that has elapsed since the Bill was first introduced into the Assembly.

(5) A certificate of the Speaker under subsection (4) shall be conclusive as regards proceedings in the Assembly, and shall not be questioned in any court.

(6) In this section -

(a) references to this Constitution are references to this Constitution as from time to time amended; and

(b) references to the alteration of this Constitution are references to the amendment, modification or reenactment, with or without amendment or modification, of any provision of this Constitution, the suspension or repeal of that provision and the making of a different provision in the place of that provision.