193. At the hour fixed for opening the poll, the deputy returning officer and the poll clerk shall, in the presence of the candidates, their agents and such of the electors as are present, open the ballot box and ascertain that there are no ballot papers or other papers therein.
Thereupon the box shall be locked by the deputy returning officer, who shall keep the key thereof.
R. S. 1964, c. 193, s. 219.