(a)
As soon as the polls are closed, the precinct board shall, in the presence of the public do all of the following:
(1)
Seal the container used to transport voted ballots and insure that the precinct number is designated on the ballot container.
(2)
Certify, sign, and seal the several packages or envelopes as directed by the elections official.
(3)
By not less than two of their number, deliver the ballot container and packages to the elections official at the central counting place in the manner prescribed by the elections official. The ballot container and packages shall remain in their exclusive possession until delivered to the elections official.
(b)
This section also applies to ballots counted manually pursuant to Article 6 (commencing with Section 15290).