22. Special procedure for preventing personation of electors.

(a) for the marking with indelible ink on the thumb or any other finger, of every elector who applies for a ballot paper for the purpose of voting at a polling station before delivery of such paper to him;
(b) for prohibiting the delivery of any ballot paper to any person for voting at a polling station if at the time such person applies for such ballot paper he has already such a mark on his thumb or any other finger.