147. A person who is—

(a) present at the issue of ballot papers to postal voters, or

(b) present while a special voter is voting, or

(c) present at the opening of postal voter ballot boxes, or

(d) admitted to a polling station in any capacity, or

(e) present in any capacity at the verification of ballot paper accounts or the counting of the votes,

shall maintain, and aid in maintaining, the secrecy of the ballot.