33.—(1) A substitutional scheme may be submitted to the Department by the board or boards administering the scheme or schemes revoked by the substitutional scheme.
(2) Before a substitutional scheme is submitted to the Department under paragraph (1) it shall be published in the prescribed manner to all producers enrolled under the scheme or schemes revoked by it and if, within the prescribed period after it has been so published to producers enrolled under a scheme revoked by it, a poll on the question whether it shall be submitted to the Department is demanded by the prescribed number or the prescribed proportion, as the case may be, of the producers enrolled under the scheme revoked, the substitutional scheme shall not be submitted to the Department unless a poll on that question has been taken and the result thereof shows that the requisite majority of those producers has voted in favour of its submission.
(3) In paragraph (2) “prescribed” means, in relation to a scheme revoked by a substitutional scheme, prescribed by the scheme revoked.
(4) The Department, after complying with Schedule 4, shall make an order approving the substitutional scheme submitted to it under paragraph (1) (or that scheme as modified under that Schedule, as the case may be).
(5) A substitutional scheme approved by an order under paragraph (4) shall come into force on such date as may be specified in the order.