2013 Nevada Revised Statutes
Chapter 293 - Elections
NRS 293.269 - Ballots for statewide offices or President and Vice President must permit voter to register opposition to all candidates.

1. Every ballot upon which appears the names of candidates for any statewide office or for President and Vice President of the United States shall contain for each office an additional line equivalent to the lines on which the candidates names appear and placed at the end of the group of lines containing the names of the candidates for that office. Each additional line shall contain a square in which the voter may express a choice of that line in the same manner as the voter would express a choice of a candidate, and the line shall read None of these candidates.

2. Only votes cast for the named candidates shall be counted in determining nomination or election to any statewide office or presidential nominations or the selection of presidential electors, but for each office the number of ballots on which the additional line was chosen shall be listed following the names of the candidates and the number of their votes in every posting, abstract and proclamation of the results of the election.

3. Every sample ballot or other instruction to voters prescribed or approved by the Secretary of State shall clearly explain that the voter may mark the choice of the line None of these candidates only if the voter has not voted for any candidate for the office.

(Added to NRS by 1975, 475)