Ballot box and papers to be sealed

(1) Except when there is only one polling station every presiding officer shall, immediately after the close of the poll, in the presence of the agents (if any) of the candidates, make up into separate packets or parcels and seal– (a) the ballot box or boxes in use at his station which shall not be opened by him and shall be 82 so sealed as to prevent the introduction of additional ballot papers; (b) the key or keys of the ballot box or boxes used at the poll; (c) the unused and spoilt ballot papers; (d) the marked copies of the register of electors.