NRS 293.391
Disposition and inspection of ballots, lists, records and stubs of voted ballots after canvass by county commissioners.
1.
The voted ballots, rejected ballots, spoiled ballots, challenge lists, records printed on paper of voted ballots collected pursuant to NRS 293B.400, and stubs of the ballots used, enclosed and sealed, must, after canvass of the votes by the board of county commissioners, be deposited in the vaults of the county clerk. The records of voted ballots that are maintained in electronic form must, after canvass of the votes by the board of county commissioners, be sealed and deposited in the vaults of the county clerk. The tally lists collected pursuant to this title must, after canvass of the votes by the board of county commissioners, be deposited in the vaults of the county clerk without being sealed. All materials described by this subsection must be preserved for at least 22 months, and all such sealed materials must be destroyed immediately after the preservation period. A notice of the destruction must be published by the clerk in at least one newspaper of general circulation in the county not less than 2 weeks before the destruction.2.
Unused ballots, enclosed and sealed, must, after canvass of the votes by the board of county commissioners, be deposited in the vaults of the county clerk and preserved for at least the period during which the election may be contested and adjudicated, after which the unused ballots may be destroyed.3.
The rosters containing the signatures of those persons who voted in the election and the tally lists deposited with the board of county commissioners are subject to the inspection of any elector who may wish to examine them at any time after their deposit with the county clerk.4.
A contestant of an election may inspect all of the material regarding that election which is preserved pursuant to subsection 1 or 2, except the voted ballots and records printed on paper of voted ballots collected pursuant to NRS 293B.400 which are deposited with the county clerk.5.
The voted ballots and records printed on paper of voted ballots collected pursuant to NRS 293B.400 which are deposited with the county clerk are not subject to the inspection of anyone, except in cases of a contested election, and then only by the judge, body or board before whom the election is being contested, or by the parties to the contest, jointly, pursuant to an order of such judge, body or board.
Source:
Section 293.391 — Disposition and inspection of ballots, lists, records and stubs of voted ballots after canvass by county commissioners., https://www.leg.state.nv.us/NRS/NRS-293.html#NRS293Sec391.