Versions of See prior versions of a law on LawServer 2023 Nevada Revised Statutes 422.4032 – Exemption from required step therapy for certain drugs: Application process; form; approval; payment of cost of drug for which exemption applies 2022 Nevada Revised Statutes 422.4032 – Exemption from required step therapy for certain drugs: Application process; form; approval; payment of cost of drug for which exemption applies 2021 Nevada Revised Statutes 422.4032 – Exemption from required step therapy for certain drugs: Application process; form; approval; payment of cost of drug for which exemption applies. [Effective January 1, 2022.]