(a) A seal shall be provided for each ballot box used under this subchapter.
(b) The seals for the boxes must be serially numbered for each election.

(c) The authority responsible for distributing election supplies to the polling places shall prepare a record of the serial numbers of the seals and preserve the record for the period for preserving the precinct election records. The authority shall provide each central counting station with a copy of the record before ballots are delivered to the station for processing.