Chapter 50: Witnesses
Nevada Evidence Statutes – 2026
NRS 50.015
General rule of competency
NRS 50.025
Lack of personal knowledge
NRS 50.035
Oath or affirmation
NRS 50.045
Interpreters
NRS 50.050
Interpreters for person with communications disability: Definitions; appointment required in judicial proceedings; compensation; certain persons not required to pay for interpreter
NRS 50.051
Interpreters for person with communications disability: Appointment required in criminal proceedings
NRS 50.0515
Interpreters for person with communications disability: Appointment of registered community interpreter required; exceptions
NRS 50.052
Interpreters for person with communications disability: Replacement; persons ineligible for appointment; selection and approval by person with communications disability
NRS 50.053
Interpreters for person with communications disability: Oath; rights and privileges
NRS 50.054
Interpreter for person with limited English proficiency: Eligibility; oath; rights and privileges; replacement; payment of claims
NRS 50.0545
Interpreter for person with limited English proficiency: Appointment required in criminal proceedings; appointment when certified or registered interpreter not available
NRS 50.055
Competency: Judge as witness
NRS 50.065
Competency: Juror as witness
NRS 50.067
Competency: Receipt of certain care or counseling
NRS 50.068
Competency: Defendant who agrees to testify against another defendant pursuant to plea bargain
NRS 50.069
Provision of contract or settlement agreement prohibiting or restricting testimony void and unenforceable under certain circumstances
NRS 50.070
Termination or threat of termination of employment because of service as witness prohibited; penalty; remedies
NRS 50.075
Who may impeach
NRS 50.085
Evidence of character and conduct of witness
NRS 50.090
Evidence of previous sexual conduct of victim of sexual assault or statutory sexual seduction inadmissible to challenge victim’s credibility; exceptions
NRS 50.095
Impeachment by evidence of conviction of crime
NRS 50.105
Religious beliefs or opinions
NRS 50.115
Mode and order of interrogation and presentation
NRS 50.125
Writing used to refresh memory
NRS 50.135
Prior statements of witness
NRS 50.145
Calling and interrogation of witness by judge
NRS 50.155
Exclusion and sequestration of witnesses
NRS 50.165
Duty to appear and testify
NRS 50.175
Witness protected from arrest when attending, going to and returning from court or other place of attendance
NRS 50.185
Arrest of protected witness void; liability of arresting officer; affidavit of witness
NRS 50.195
Penalties for disobedience
NRS 50.205
Warrant for arrest of witness failing to attend; appointment of attorney; appearance before court or officer; exceptions for witness who is victim of domestic violence or sexual assault
NRS 50.215
Examination of prisoner as witness; notification of Department of Corrections required
NRS 50.225
Fees and expenses of witnesses
NRS 50.245
Cases from municipal court brought before district court
NRS 50.255
Attorney not allowed fee as witness
NRS 50.260
“Prohibited substance” defined
NRS 50.265
Opinions: Lay witnesses
NRS 50.275
Testimony by experts
NRS 50.285
Opinions: Experts
NRS 50.295
Opinions: Ultimate issues
NRS 50.305
Disclosure of facts and data underlying expert opinion
NRS 50.310
Admissibility of affidavit or declaration of laboratory director regarding results of test performed by medical laboratory
NRS 50.315
Admissibility of affidavit or declaration offered to prove certain facts concerning use of certain devices or withdrawal or holding of evidence related to determining presence of alcohol, controlled substance, chemical, poison, organic solvent or another prohibited substance
NRS 50.320
Admissibility of affidavit or declaration of chemist or other expert witness regarding presence in breath, blood or urine of alcohol, controlled substance, chemical, poison, organic solvent or another prohibited substance or regarding identity or quantity of controlled substance possessed
NRS 50.325
Procedure for admission of affidavit or declaration of expert or other person to prove existence of alcohol, quantity of controlled substance or existence or identity of controlled substance, chemical, poison, organic solvent or another prohibited substance in prosecution of certain criminal offenses
NRS 50.330
Testimony given pursuant to NRS 50.315
NRS 50.345
Expert testimony to show victim’s behavior or condition is consistent with behavior or condition of victim of sexual assault
NRS 50.350
Expert testimony which concerns behavior of defendant in preparing child or vulnerable person for sexual abuse
NRS 50.400
Applicability to proceedings in civil actions; qualifications, duties and limitations on conduct of attendant; designation of attendant as witness; “victim of an act of domestic violence pursuant to NRS 33.018
NRS 50.500
Short title
NRS 50.510
Definitions
NRS 50.520
“Alternative method” defined
NRS 50.530
“Child witness” defined
NRS 50.540
“Criminal proceeding” defined
NRS 50.550
“Noncriminal proceeding” defined
NRS 50.560
Applicability
NRS 50.570
Hearing to determine whether to allow testimony by alternative method
NRS 50.580
Standards for determining whether child witness may testify by alternative method
NRS 50.590
Factors for determining whether to permit alternative method
NRS 50.600
Order regarding testimony by alternative method
NRS 50.610
Right of party to examine child witness
NRS 50.620
Uniformity of application and construction
NRS 50.700
Court may not order victim or witness to take or submit to psychological or psychiatric examination; exclusion of testimony of licensed psychologist, psychiatrist or clinical social worker; “sexual offense” defined