27. After examining all the inner envelopes, the secretary and the scrutineers shall open those considered to meet the requirements and shall take out the ballot papers.
The secretary shall reject any ballot paper(1) that contains more marks than the number of offices to be filled;
(2) that is not certified by the secretary or was not provided by the secretary;
(3) that bears a mark making it possible to identify the voter;
(4) that is marked elsewhere than in the square or squares reserved for voting;
(5) that has not been marked;
(6) on which a voter cast the vote other than in the manner prescribed by section 71 of the Code; or
(7) that is damaged or spoiled or on which an entry is struck out.