Versions of See prior versions of a law on LawServer 2023 Nevada Revised Statutes 437.450 – Examination regarding competence to practice applied behavior analysis. [Replaced in revision by NRS 641D.800.] 2022 Nevada Revised Statutes 437.450 – Examination regarding competence to practice applied behavior analysis. [Replaced in revision by NRS 641D.800.] 2021 Nevada Revised Statutes 437.450 – Examination regarding competence to practice applied behavior analysis. [Replaced in revision by NRS 641D.800.] 2020 Nevada Revised Statutes 437.450 – Examination regarding competence to practice applied behavior analysis 2019 Nevada Revised Statutes 437.450 – Examination regarding competence to practice applied behavior analysis 2017 Nevada Revised Statutes 437.450 – Examination regarding competence to practice applied behavior analysis. [Effective January 1, 2019.]