Nev. Rev. Stat. § 111.150
1. Every person who, being served with a subpoena, shall, without reasonable cause, refuse or neglect to appear, or appearing shall refuse to answer upon oath touching the matters stated in NRS 111.145:
[17:9:1861; B § 245; BH § 2586; C § 2656; RL § 1034; NCL § 1492]