Versions of Nevada Revised Statutes 433.623 - \'Adult\' defined on LawServer 2023 Nevada Revised Statutes 433.623 – ‘Adult’ defined 2022 Nevada Revised Statutes 433.623 – ‘Adult’ defined 2021 Nevada Revised Statutes 433.623 – ‘Adult’ defined. [Effective January 1, 2022.]