Nevada Elections Sec. § 293.462 Construction of containers used to transport official ballots. 1.Each container used to transport official ballots pursuant to NRS 293.304, 293.325, 293B.330 and 293B.335 must: (a)Be constructed of metal or any other rigid material; and (b)Contain a seal which is placed on the container to ensure detection of any opening of the container. 2.The container and seal must be separately numbered for identification.