New Jersey Statutes Title 19. Elections 19 § 15-11

At the opening of the election each of the keys of the locks of the ballot box shall be taken by a different member of the board, who shall keep the same until the statement of the result of the election shall be made and certified, as directed by this title, and shall not during that time suffer any other member of the board, or any other person, on any pretense to take or have the same.

In all cases in which the members of the board are directed to lock the ballot box, each of the locks thereof shall be locked by the member who shall have the key belonging thereto, as directed by this title.