11.—The following provisions shall apply with respect to the exercise by the Censorship Board of its functions:—
(a) the Censorship Board shall hold meetings from time to time as occasion requires;
(b) four members shall constitute a quorum at any such meeting;
(c) a prohibition order shall not be made unless at such meeting three at least of the members vote in favour of the making of the order and not more than one member votes against it.