721—22.231 (52) Emergency ballot box or bin. Each precinct shall be furnished with an emergency ballot box or bin that is suitably equipped with a lock and key or numbered, tamperproof seal. In the event of power failure or malfunction of the tabulating device, voted ballots shall be deposited in the locked or sealed emergency ballot box or bin. A precinct election official shall put the ballot into the emergency ballot box or bin for the voter. The voted ballots so deposited may be removed from the locked emergency ballot box or bin and tabulated before the polls close whenever a properly functioning tabulating device becomes available, or the voted ballots so deposited may be removed and counted electronically or manually immediately after the polls are closed. If the ballots are counted manually, the precinct election officials shall follow the requirements of 721—Chapter 26.