Section 8(2) in The Punjab Market Committees Chairman and Vice-chairman (Election) Rules, 1961
(2)Immediately before the commencement of the poll, the Presiding Officer shall show the ballot-boxes in open condition to all the members present so that they see that the boxes are empty. The Presiding Officer shall thereafter lock the ballot-boxes and affix his as well as the seal, if any, of the candidates, if they so desire upon it in such a manner so as to prevent its being opened without breaking such seals.
