Quorum requirements for a referendum to be valid

Constitution (03/03/1991)

 http://www.sierra-leone.org/Laws/constitution1991.pdf

Article 108 [?](4) Every person who is entitled to vote in the elections of Members of Parliament shall be entitled to vote at a referendum held for the purposes of subsection (3) and no other person may so vote; and the Bill shall not be regarded as having been approved at the referendum unless it was so approved by the votes of not less than one-half of all such persons and by not less than two-thirds of all the votes validly cast at the referendum:[?]