Title 21, Chapter 2, Section 430
In precincts in which ballots are used, the poll officers shall, after taking the oath, publicly open the ballot boxes which have been furnished to them and shall, prior to opening of the polls, totally destroy any ballots and other papers which they may find therein which are not intended for use in such primary or election. When the polling place is opened, the ballot box shall be securely locked and shall not be opened until the close of the polls, as provided in Code Section 21-2-436. At the opening of the polls, the seals of the packages furnished by the superintendent shall be publicly broken and such packages shall be opened by the chief manager. The cards of instruction shall be immediately posted in each voting compartment. Not less than three such cards and notices of penalties shall be immediately posted in or about the voting room outside the enclosed space; and such cards of instruction and notices of penalties shall be given to any elector at his or her request so long as there are any on hand.