Nevada Revised Statutes Title 54. Professions, Occupations and Businesses § 648.187. Person examined must be advised of right to refuse to answer incriminating or degrading questions

Except in the case of an investigation of its own affairs conducted by a law enforcement agency, an examiner or intern shall, before beginning a polygraphic examination, inform the person examined that he or she has the right to refuse to answer any questions if the answer would tend to incriminate or degrade the person.