Nev. Rev. Stat. § 453.166 : PUBLIC HEALTH AND SAFETY — CONTROLLED SUBSTANCES —UNIFORM CONTROLLED SUBSTANCES ACT —SCHEDULES — Schedule I tests TEXT PDF The Board shall place a substance in schedule I if it finds that the substance: 1. Has high potential for abuse; and 2. Has no accepted medical use in treatment in the United States or lacks accepted safety for use in treatment under medical supervision. NRS 453.166 Added to NRS by 1971, 2005 Added to NRS by 1971, 2005