Nev. Rev. Stat. § 465.101
1. Any licensee, or the officers, employees or agents of the licensee may question any person in the licensee’s establishment suspected of violating any of the provisions of this chapter. No licensee or any of the officers, employees or agents of the licensee is criminally or civilly liable:
3. No licensee or the officers, employees or agents of the licensee are entitled to the immunity from liability provided for in subsection 2 unless there is displayed in a conspicuous place in the licensee’s establishment a notice in boldface type clearly legible and in substantially this form:
Any gaming licensee, or any of the officers, employees or agents of the gaming licensee who has probable cause for believing that any person has violated any provision of chapter 465 of NRS prohibiting cheating in gaming may detain that person in the establishment.
(Added to NRS by 1971, 580; A 1973, 446; 1981, 1295; 1983, 564)