Section 37: Referendum.

(1) A Bill enacting a new Constitution shall not become law unless:— a) the Bill is supported at the third reading by the votes of not less than two-thirds of the Members of Parliament; b) the Bill, after it has been passed by Parliament and in the form in which it was so passed, as, in accordance with the provisions of any law in that behalf being submitted to and being approved at a referendum; (2) Every person who is entitled to vote in elections of elected Members of Parliament shall be entitled to vote at a referendum held for the purposes of subsection (1) of this Section and no other person may so vote; and the Bill shall not be regarded as having been approved at that referendum unless it was so approved by the votes of not less than one-half of all such persons or by not less than two-thirds of all the votes validly cast at the referendum. (3) The conduct of any referendum for the purposes of subsection (1) of this Section shall be under the general supervision of the Electoral Commission and the provisions of Section 40 of this Constitution shall apply in relation to the exercise by the Electoral Commission of its functions with respect to a referendum as they apply in relation to the exercise of its functions with respect to elections of Members of Parliament. (4) A Bill for an Act of Parliament under this Section shall not be submitted to the President for his assent unless it is accompanied by a certificate under the hand of the Speaker (or if the Speaker is for any reason unable to exercise the functions of his office, the Deputy Speaker) that the provisions of subsection (1) (2) and (3) of Section 53 and, where appropriate, the provisions of subsections (1) and (2) of this Section have been complied with, and every such certificate shall be conclusive for all purposes and shall not be questioned by any court.