(a) The commissioner shall place a substance in Schedule I if the commissioner finds that the substance:
(1) has a 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.
(b) The commissioner shall place a substance in Schedule II if the commissioner finds that:
(1) the substance has a high potential for abuse;
(2) the substance has currently accepted medical use in treatment in the United States; and
(3) abuse of the substance may lead to severe psychological or physical dependence.
(c) The commissioner shall place a substance in Schedule III if the commissioner finds that:
(1) the substance has a potential for abuse less than that of the substances listed in Schedules I and II;
(2) the substance has currently accepted medical use in treatment in the United States; and
(3) abuse of the substance may lead to moderate or low physical dependence or high psychological dependence.
(d) The commissioner shall place a substance in Schedule IV if the commissioner finds that:
(1) the substance has a lower potential for abuse than that of the substances listed in Schedule III;
(2) the substance has currently accepted medical use in treatment in the United States; and
(3) abuse of the substance may lead to a more limited physical or psychological dependence than that of the substances listed in Schedule III.
(e) The commissioner shall place a substance in Schedule V if the commissioner finds that the substance:
(1) has a lower potential for abuse than that of the substances listed in Schedule IV;
(2) has currently accepted medical use in treatment in the United States; and
(3) may lead to a more limited physical or psychological dependence liability than that of the substances listed in Schedule IV.