10 ILCS 5/24B-15.01

Upon completion of the tabulation and retabulation of votes pursuant to Sections 24B-11 through 24B-15, the ballots from each precinct shall be replaced in the container in which they were transported to the central counting station. If the container is not a type which may be securely locked, then each container, before being transferred from the counting station to storage, shall be sealed with filament tape wrapped around the container lengthwise and crosswise, at least twice each way, and in a manner that the ballots cannot be removed from the container without breaking the tape.