nd expenses of witnesses. NRS 50.245 Cases from municipal court brought before district court. NRS 50.255 Attorney not allowed fee as witness. OPINIONS AND EXPERT TESTIMONY 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 50.345 Expert testimony to show victim’s behavior or condition is consistent with behavior or condition of victim of sexual assault. DESIGNATION OF ATTENDANT TO PROVIDE SUPPORT TO VICTIM OF ACT OF DOMESTIC VIOLENCE 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” defined. UNIFORM CHILD WITNESS TESTIMONY BY ALTERNATIVE METHODS ACT 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. _________ GENERAL PROVISIONS NRS 50.015 General rule of competency. Every person is competent to be a witness except as otherwise provided in this title. (Added to NRS by 1971, 788) NRS 50.025 Lack of personal knowledge. 1. A witness may not testify to a matter unless: (a) Evidence is introduced sufficient to support a finding that he has personal knowledge of the matter; or (b) He states his opinion or inference as an expert. 2. Evidence to prove personal knowledge may, but need not, consist of the testimony of the witness himself. (Added to NRS by 1971, 788) NRS 50.035 Oath or affirmation. 1. Before testifying, every witness shall be required to declare that he will testify truthfully, by oath or affirmation administered in a form calculated to awaken his conscience and impress his mind with his duty to do so. 2. An affirmation is sufficient if the witness is addressed in the following terms: “You do solemnly affirm that the evidence you shall give in this issue (or matter), pending between ................ and ................, shall be the truth, the whole truth, and nothing but the truth.” Assent to this affirmation shall be made by the answer, “I do.” (Added to NRS by 1971, 788) NRS 50.045 Interpreters. Interpreters are subject to the provisions of this chapter relating to qualification as an expert. (Added to NRS by 1971, 788; A 1979, 656) NRS 50.050 Interpreters for person with disability: Definitions; appointment required in judicial proceedings; compensation. 1. As used in NRS 50.050 to 50.053, inclusive, unless the context requires otherwise: (a) “Interpreter” means a person who is: (1) Qualified to engage in the practice of interpreting in this State pursuant to subsection 2 of NRS 656A.100; and (2) Readily able to communicate with a person with a disability, translate the proceedings for him, and accurately repeat and translate the statements of the person with a disability to the court or magistrate or other person presiding over the proceedings. (b) “Person with a disability” means a person who, because he is deaf, mute or has a physical speaking impairment, cannot readily understand or communicate in the English language or cannot understand the proceedings. 2. In all judicial proceedings in which a person with a disability appears as a witness, the court, magistrate or other person presiding over the proceedings shall appoint an interpreter to interpret the proceedings to that person and to interpret the testimony of that person to the court, magistrate or other person presiding. 3. The court, magistrate or other person presiding over the proceedings shall fix a reasonable compensation for the services and expenses of the interpreter appointed pursuant to this section. If the judicial proceeding is civil in nature, the compensation of the interpreter may be taxed as costs and must not be charged as a public expense. 4. Claims against a county, municipality, this State or any agency thereof for the compensation of an interpreter in a criminal proceeding or other proceeding for which an interpreter must be provided at public expense must be paid in the same manner as other claims against the respective entities are paid. Payment may be made only upon the certificate of the judge, magistrate or other person presiding over the proceedings that the qualified interpreter has performed the services required and incurred the expenses claimed. (Added to NRS by 1975, 308; A 1979, 656; 2001, 1774) NRS 50.051 Interpreters for person with disability: Appointment required in criminal proceedings. An interpreter must be appointed at public expense for a person with a disability who is a party to or a witness in a criminal proceeding. (Added to NRS by 1979, 656; A 2001, 1775) NRS 50.052 Interpreters for person with disability: Replacement; persons ineligible for appointment; selection and approval by person with disability. 1. If an interpreter appointed for a person with a disability is not effectively or accurately communicating with or on behalf of the person with a disability, and that fact becomes known to the person who appointed him, another interpreter must be appointed. 2. Unless otherwise agreed upon by the parties, a person may not be appointed as an interpreter of a person with a disability in a proceeding if he is: (a) The spouse of the person with a disability or related to him; or (b) Otherwise interested in the outcome of the proceeding or biased for or against one of the parties. 3. Whenever possible, a person with a disability must be given an interpreter of his choice or one of whom he approves. (Added to NRS by 1979, 656; A 2001, 1775) NRS 50.053 Interpreters for person with disability: Oath; rights and privileges. 1. Before undertaking his duties, the inte

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